209216788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{1451}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 417130560

約数和(自身を除く): 207913772

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 113, 116, 226, 319, 452, 638, 1243, 1276, 1451, 2486, 2902, 3277, 4972, 5804, 6554, 13108, 15961, 31922, 36047, 42079, 63844, 72094, 84158, 144188, 163963, 168316, 327926, 462869, 655852, 925738, 1803593, 1851476, 3607186, 4754927, 7214372, 9509854, 19019708, 52304197, 104608394, 209216788]

約数ペア:

[(1, 209216788), (2, 104608394), (4, 52304197), (11, 19019708), (22, 9509854), (29, 7214372), (44, 4754927), (58, 3607186), (113, 1851476), (116, 1803593), (226, 925738), (319, 655852), (452, 462869), (638, 327926), (1243, 168316), (1276, 163963), (1451, 144188), (2486, 84158), (2902, 72094), (3277, 63844), (4972, 42079), (5804, 36047), (6554, 31922), (13108, 15961)]