156744005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{509}}^2$

素因数の和:1045

約数の個数: 18

約数和(自身を含む): 207153618

約数和(自身を除く): 50409613

約数列:

[1, 5, 11, 55, 121, 509, 605, 2545, 5599, 27995, 61589, 259081, 307945, 1295405, 2849891, 14249455, 31348801, 156744005]

約数ペア:

[(1, 156744005), (5, 31348801), (11, 14249455), (55, 2849891), (121, 1295405), (509, 307945), (605, 259081), (2545, 61589), (5599, 27995)]