71224985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 99792000

約数和(自身を除く): 28567015

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 1499, 2795, 3655, 7495, 9503, 19487, 25483, 47515, 64457, 97435, 127415, 322285, 331279, 837941, 1095769, 1656395, 4189705, 5478845, 14244997, 71224985]

約数ペア:

[(1, 71224985), (5, 14244997), (13, 5478845), (17, 4189705), (43, 1656395), (65, 1095769), (85, 837941), (215, 331279), (221, 322285), (559, 127415), (731, 97435), (1105, 64457), (1499, 47515), (2795, 25483), (3655, 19487), (7495, 9503)]