90988670

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{69457}}^1$

素因数の和:69595

約数の個数: 16

約数和(自身を含む): 165032208

約数和(自身を除く): 74043538

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 69457, 138914, 347285, 694570, 9098867, 18197734, 45494335, 90988670]

約数ペア:

[(1, 90988670), (2, 45494335), (5, 18197734), (10, 9098867), (131, 694570), (262, 347285), (655, 138914), (1310, 69457)]