7438931864

素因数分解:

$2^3\times 7^4\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:140

約数の個数: 160

約数和(自身を含む): 18107456640

約数和(自身を除く): 10668524776

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 49, 52, 56, 62, 91, 98, 104, 124, 182, 196, 217, 248, 343, 364, 392, 403, 434, 637, 686, 728, 806, 868, 961, 1274, 1372, 1519, 1612, 1736, 1922, 2401, 2548, 2744, 2821, 3038, 3224, 3844, 4459, 4802, 5096, 5642, 6076, 6727, 7688, 8918, 9604, 10633, 11284, 12152, 12493, 13454, 17836, 19208, 19747, 21266, 22568, 24986, 26908, 29791, 31213, 35672, 39494, 42532, 47089, 49972, 53816, 59582, 62426, 74431, 78988, 85064, 87451, 94178, 99944, 119164, 124852, 138229, 148862, 157976, 174902, 188356, 208537, 238328, 249704, 276458, 297724, 329623, 349804, 376712, 387283, 417074, 552916, 595448, 612157, 659246, 699608, 774566, 834148, 967603, 1105832, 1224314, 1318492, 1459759, 1549132, 1668296, 1935206, 2307361, 2448628, 2636984, 2710981, 2919518, 3098264, 3870412, 4285099, 4614722, 4897256, 5421962, 5839036, 7740824, 8570198, 9229444, 10218313, 10843924, 11678072, 17140396, 18458888, 18976867, 20436626, 21687848, 29995693, 34280792, 37953734, 40873252, 59991386, 71528191, 75907468, 81746504, 119982772, 132838069, 143056382, 151814936, 239965544, 265676138, 286112764, 531352276, 572225528, 929866483, 1062704552, 1859732966, 3719465932, 7438931864]

約数ペア:

[(1, 7438931864), (2, 3719465932), (4, 1859732966), (7, 1062704552), (8, 929866483), (13, 572225528), (14, 531352276), (26, 286112764), (28, 265676138), (31, 239965544), (49, 151814936), (52, 143056382), (56, 132838069), (62, 119982772), (91, 81746504), (98, 75907468), (104, 71528191), (124, 59991386), (182, 40873252), (196, 37953734), (217, 34280792), (248, 29995693), (343, 21687848), (364, 20436626), (392, 18976867), (403, 18458888), (434, 17140396), (637, 11678072), (686, 10843924), (728, 10218313), (806, 9229444), (868, 8570198), (961, 7740824), (1274, 5839036), (1372, 5421962), (1519, 4897256), (1612, 4614722), (1736, 4285099), (1922, 3870412), (2401, 3098264), (2548, 2919518), (2744, 2710981), (2821, 2636984), (3038, 2448628), (3224, 2307361), (3844, 1935206), (4459, 1668296), (4802, 1549132), (5096, 1459759), (5642, 1318492), (6076, 1224314), (6727, 1105832), (7688, 967603), (8918, 834148), (9604, 774566), (10633, 699608), (11284, 659246), (12152, 612157), (12493, 595448), (13454, 552916), (17836, 417074), (19208, 387283), (19747, 376712), (21266, 349804), (22568, 329623), (24986, 297724), (26908, 276458), (29791, 249704), (31213, 238328), (35672, 208537), (39494, 188356), (42532, 174902), (47089, 157976), (49972, 148862), (53816, 138229), (59582, 124852), (62426, 119164), (74431, 99944), (78988, 94178), (85064, 87451)]