1640759848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:759

約数の個数: 128

約数和(自身を含む): 3922329600

約数和(自身を除く): 2281569752

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 47, 52, 56, 79, 91, 94, 104, 158, 182, 188, 316, 329, 364, 376, 553, 607, 611, 632, 658, 728, 1027, 1106, 1214, 1222, 1316, 2054, 2212, 2428, 2444, 2632, 3713, 4108, 4249, 4277, 4424, 4856, 4888, 7189, 7426, 7891, 8216, 8498, 8554, 14378, 14852, 15782, 16996, 17108, 25991, 28529, 28756, 29704, 31564, 33992, 34216, 47953, 48269, 51982, 55237, 57058, 57512, 63128, 95906, 96538, 103964, 110474, 114116, 191812, 193076, 199703, 207928, 220948, 228232, 335671, 337883, 370877, 383624, 386152, 399406, 441896, 623389, 671342, 675766, 741754, 798812, 1246778, 1342684, 1351532, 1483508, 1597624, 2253791, 2493556, 2596139, 2685368, 2703064, 2967016, 4363723, 4507582, 4987112, 5192278, 8727446, 9015164, 10384556, 15776537, 17454892, 18030328, 20769112, 29299283, 31553074, 34909784, 58598566, 63106148, 117197132, 126212296, 205094981, 234394264, 410189962, 820379924, 1640759848]

約数ペア:

[(1, 1640759848), (2, 820379924), (4, 410189962), (7, 234394264), (8, 205094981), (13, 126212296), (14, 117197132), (26, 63106148), (28, 58598566), (47, 34909784), (52, 31553074), (56, 29299283), (79, 20769112), (91, 18030328), (94, 17454892), (104, 15776537), (158, 10384556), (182, 9015164), (188, 8727446), (316, 5192278), (329, 4987112), (364, 4507582), (376, 4363723), (553, 2967016), (607, 2703064), (611, 2685368), (632, 2596139), (658, 2493556), (728, 2253791), (1027, 1597624), (1106, 1483508), (1214, 1351532), (1222, 1342684), (1316, 1246778), (2054, 798812), (2212, 741754), (2428, 675766), (2444, 671342), (2632, 623389), (3713, 441896), (4108, 399406), (4249, 386152), (4277, 383624), (4424, 370877), (4856, 337883), (4888, 335671), (7189, 228232), (7426, 220948), (7891, 207928), (8216, 199703), (8498, 193076), (8554, 191812), (14378, 114116), (14852, 110474), (15782, 103964), (16996, 96538), (17108, 95906), (25991, 63128), (28529, 57512), (28756, 57058), (29704, 55237), (31564, 51982), (33992, 48269), (34216, 47953)]