155026825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:586

約数の個数: 36

約数和(自身を含む): 209374000

約数和(自身を除く): 54347175

約数列:

[1, 5, 17, 25, 43, 85, 215, 289, 425, 499, 731, 1075, 1445, 2495, 3655, 7225, 8483, 12427, 12475, 18275, 21457, 42415, 62135, 107285, 144211, 212075, 310675, 364769, 536425, 721055, 1823845, 3605275, 6201073, 9119225, 31005365, 155026825]

約数ペア:

[(1, 155026825), (5, 31005365), (17, 9119225), (25, 6201073), (43, 3605275), (85, 1823845), (215, 721055), (289, 536425), (425, 364769), (499, 310675), (731, 212075), (1075, 144211), (1445, 107285), (2495, 62135), (3655, 42415), (7225, 21457), (8483, 18275), (12427, 12475)]