256770306

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:736

約数の個数: 96

約数和(自身を含む): 629411328

約数和(自身を除く): 372641022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 47, 74, 78, 94, 111, 117, 141, 222, 234, 282, 333, 423, 481, 611, 631, 666, 846, 962, 1222, 1262, 1443, 1739, 1833, 1893, 2886, 3478, 3666, 3786, 4329, 5217, 5499, 5679, 8203, 8658, 10434, 10998, 11358, 15651, 16406, 22607, 23347, 24609, 29657, 31302, 45214, 46694, 49218, 59314, 67821, 70041, 73827, 88971, 135642, 140082, 147654, 177942, 203463, 210123, 266913, 303511, 385541, 406926, 420246, 533826, 607022, 771082, 910533, 1097309, 1156623, 1821066, 2194618, 2313246, 2731599, 3291927, 3469869, 5463198, 6583854, 6939738, 9875781, 14265017, 19751562, 28530034, 42795051, 85590102, 128385153, 256770306]

約数ペア:

[(1, 256770306), (2, 128385153), (3, 85590102), (6, 42795051), (9, 28530034), (13, 19751562), (18, 14265017), (26, 9875781), (37, 6939738), (39, 6583854), (47, 5463198), (74, 3469869), (78, 3291927), (94, 2731599), (111, 2313246), (117, 2194618), (141, 1821066), (222, 1156623), (234, 1097309), (282, 910533), (333, 771082), (423, 607022), (481, 533826), (611, 420246), (631, 406926), (666, 385541), (846, 303511), (962, 266913), (1222, 210123), (1262, 203463), (1443, 177942), (1739, 147654), (1833, 140082), (1893, 135642), (2886, 88971), (3478, 73827), (3666, 70041), (3786, 67821), (4329, 59314), (5217, 49218), (5499, 46694), (5679, 45214), (8203, 31302), (8658, 29657), (10434, 24609), (10998, 23347), (11358, 22607), (15651, 16406)]