215179984

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:1003

約数の個数: 40

約数和(自身を含む): 424847808

約数和(自身を除く): 209667824

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 307, 568, 614, 617, 1136, 1228, 1234, 2456, 2468, 4912, 4936, 9872, 21797, 43594, 43807, 87188, 87614, 174376, 175228, 189419, 348752, 350456, 378838, 700912, 757676, 1515352, 3030704, 13448749, 26897498, 53794996, 107589992, 215179984]

約数ペア:

[(1, 215179984), (2, 107589992), (4, 53794996), (8, 26897498), (16, 13448749), (71, 3030704), (142, 1515352), (284, 757676), (307, 700912), (568, 378838), (614, 350456), (617, 348752), (1136, 189419), (1228, 175228), (1234, 174376), (2456, 87614), (2468, 87188), (4912, 43807), (4936, 43594), (9872, 21797)]