28993915

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 9077381

約数列:

[1, 5, 23, 53, 67, 71, 115, 265, 335, 355, 1219, 1541, 1633, 3551, 3763, 4757, 6095, 7705, 8165, 17755, 18815, 23785, 81673, 86549, 109411, 252121, 408365, 432745, 547055, 1260605, 5798783, 28993915]

約数ペア:

[(1, 28993915), (5, 5798783), (23, 1260605), (53, 547055), (67, 432745), (71, 408365), (115, 252121), (265, 109411), (335, 86549), (355, 81673), (1219, 23785), (1541, 18815), (1633, 17755), (3551, 8165), (3763, 7705), (4757, 6095)]