71291759

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 91653120

約数和(自身を除く): 20361361

約数列:

[1, 7, 11, 77, 89, 101, 103, 623, 707, 721, 979, 1111, 1133, 6853, 7777, 7931, 8989, 9167, 10403, 62923, 64169, 72821, 98879, 100837, 114433, 692153, 705859, 801031, 925867, 6481069, 10184537, 71291759]

約数ペア:

[(1, 71291759), (7, 10184537), (11, 6481069), (77, 925867), (89, 801031), (101, 705859), (103, 692153), (623, 114433), (707, 100837), (721, 98879), (979, 72821), (1111, 64169), (1133, 62923), (6853, 10403), (7777, 9167), (7931, 8989)]