81974412

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1637}}^1$

素因数の和:1767

約数の個数: 72

約数和(自身を含む): 225375696

約数和(自身を除く): 143401284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 107, 117, 156, 214, 234, 321, 428, 468, 642, 963, 1284, 1391, 1637, 1926, 2782, 3274, 3852, 4173, 4911, 5564, 6548, 8346, 9822, 12519, 14733, 16692, 19644, 21281, 25038, 29466, 42562, 50076, 58932, 63843, 85124, 127686, 175159, 191529, 255372, 350318, 383058, 525477, 700636, 766116, 1050954, 1576431, 2101908, 2277067, 3152862, 4554134, 6305724, 6831201, 9108268, 13662402, 20493603, 27324804, 40987206, 81974412]

約数ペア:

[(1, 81974412), (2, 40987206), (3, 27324804), (4, 20493603), (6, 13662402), (9, 9108268), (12, 6831201), (13, 6305724), (18, 4554134), (26, 3152862), (36, 2277067), (39, 2101908), (52, 1576431), (78, 1050954), (107, 766116), (117, 700636), (156, 525477), (214, 383058), (234, 350318), (321, 255372), (428, 191529), (468, 175159), (642, 127686), (963, 85124), (1284, 63843), (1391, 58932), (1637, 50076), (1926, 42562), (2782, 29466), (3274, 25038), (3852, 21281), (4173, 19644), (4911, 16692), (5564, 14733), (6548, 12519), (8346, 9822)]