28160275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7877}}^1$

素因数の和:7911

約数の個数: 24

約数和(自身を含む): 41028624

約数和(自身を除く): 12868349

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 7877, 39385, 86647, 102401, 196925, 433235, 512005, 1126411, 2166175, 2560025, 5632055, 28160275]

約数ペア:

[(1, 28160275), (5, 5632055), (11, 2560025), (13, 2166175), (25, 1126411), (55, 512005), (65, 433235), (143, 196925), (275, 102401), (325, 86647), (715, 39385), (3575, 7877)]