218652018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 487226880

約数和(自身を除く): 268574862

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 239, 317, 478, 481, 634, 717, 951, 962, 1434, 1443, 1902, 2886, 3107, 4121, 6214, 8242, 8843, 9321, 11729, 12363, 17686, 18642, 23458, 24726, 26529, 35187, 53058, 70374, 75763, 114959, 151526, 152477, 227289, 229918, 304954, 344877, 454578, 457431, 689754, 914862, 984919, 1969838, 2803231, 2954757, 5606462, 5909514, 8409693, 16819386, 36442003, 72884006, 109326009, 218652018]

約数ペア:

[(1, 218652018), (2, 109326009), (3, 72884006), (6, 36442003), (13, 16819386), (26, 8409693), (37, 5909514), (39, 5606462), (74, 2954757), (78, 2803231), (111, 1969838), (222, 984919), (239, 914862), (317, 689754), (478, 457431), (481, 454578), (634, 344877), (717, 304954), (951, 229918), (962, 227289), (1434, 152477), (1443, 151526), (1902, 114959), (2886, 75763), (3107, 70374), (4121, 53058), (6214, 35187), (8242, 26529), (8843, 24726), (9321, 23458), (11729, 18642), (12363, 17686)]