801031

素因数分解:

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

素因数の和:222

約数の個数: 16

約数和(自身を含む): 1018368

約数和(自身を除く): 217337

約数列:

[1, 7, 11, 77, 101, 103, 707, 721, 1111, 1133, 7777, 7931, 10403, 72821, 114433, 801031]

約数ペア:

[(1, 801031), (7, 114433), (11, 72821), (77, 10403), (101, 7931), (103, 7777), (707, 1133), (721, 1111)]