28780675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{14951}}^1$

素因数の和:14979

約数の個数: 24

約数和(自身を含む): 44497152

約数和(自身を除く): 15716477

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 14951, 74755, 104657, 164461, 373775, 523285, 822305, 1151227, 2616425, 4111525, 5756135, 28780675]

約数ペア:

[(1, 28780675), (5, 5756135), (7, 4111525), (11, 2616425), (25, 1151227), (35, 822305), (55, 523285), (77, 373775), (175, 164461), (275, 104657), (385, 74755), (1925, 14951)]