156977905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{2089}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 228729600

約数和(自身を除く): 71751695

約数列:

[1, 5, 7, 19, 35, 95, 113, 133, 565, 665, 791, 2089, 2147, 3955, 10445, 10735, 14623, 15029, 39691, 73115, 75145, 198455, 236057, 277837, 1180285, 1389185, 1652399, 4485083, 8261995, 22425415, 31395581, 156977905]

約数ペア:

[(1, 156977905), (5, 31395581), (7, 22425415), (19, 8261995), (35, 4485083), (95, 1652399), (113, 1389185), (133, 1180285), (565, 277837), (665, 236057), (791, 198455), (2089, 75145), (2147, 73115), (3955, 39691), (10445, 15029), (10735, 14623)]