278316038

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 593961984

約数和(自身を除く): 315645946

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 43, 53, 61, 77, 86, 91, 106, 122, 143, 154, 182, 286, 301, 371, 427, 473, 559, 583, 602, 671, 689, 742, 793, 854, 946, 1001, 1118, 1166, 1342, 1378, 1586, 2002, 2279, 2623, 3233, 3311, 3913, 4081, 4558, 4697, 4823, 5246, 5551, 6149, 6466, 6622, 7579, 7826, 8162, 8723, 9394, 9646, 11102, 12298, 15158, 15953, 17446, 18361, 22631, 25069, 28853, 29627, 31906, 34099, 35563, 36722, 42029, 43043, 45262, 50138, 53053, 57706, 59254, 61061, 68198, 71126, 84058, 86086, 106106, 122122, 139019, 175483, 201971, 207389, 238693, 248941, 278038, 294203, 325897, 350966, 375089, 403942, 414778, 462319, 477386, 497882, 588406, 651794, 750178, 924638, 973133, 1529209, 1807247, 1946266, 2281279, 2625623, 3058418, 3236233, 3614494, 4562558, 5251246, 6472466, 10704463, 12650729, 19879717, 21408926, 25301458, 39759434, 139158019, 278316038]

約数ペア:

[(1, 278316038), (2, 139158019), (7, 39759434), (11, 25301458), (13, 21408926), (14, 19879717), (22, 12650729), (26, 10704463), (43, 6472466), (53, 5251246), (61, 4562558), (77, 3614494), (86, 3236233), (91, 3058418), (106, 2625623), (122, 2281279), (143, 1946266), (154, 1807247), (182, 1529209), (286, 973133), (301, 924638), (371, 750178), (427, 651794), (473, 588406), (559, 497882), (583, 477386), (602, 462319), (671, 414778), (689, 403942), (742, 375089), (793, 350966), (854, 325897), (946, 294203), (1001, 278038), (1118, 248941), (1166, 238693), (1342, 207389), (1378, 201971), (1586, 175483), (2002, 139019), (2279, 122122), (2623, 106106), (3233, 86086), (3311, 84058), (3913, 71126), (4081, 68198), (4558, 61061), (4697, 59254), (4823, 57706), (5246, 53053), (5551, 50138), (6149, 45262), (6466, 43043), (6622, 42029), (7579, 36722), (7826, 35563), (8162, 34099), (8723, 31906), (9394, 29627), (9646, 28853), (11102, 25069), (12298, 22631), (15158, 18361), (15953, 17446)]