81958768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{301319}}^1$

素因数の和:301344

約数の個数: 20

約数和(自身を含む): 168136560

約数和(自身を除く): 86177792

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 301319, 602638, 1205276, 2410552, 4821104, 5122423, 10244846, 20489692, 40979384, 81958768]

約数ペア:

[(1, 81958768), (2, 40979384), (4, 20489692), (8, 10244846), (16, 5122423), (17, 4821104), (34, 2410552), (68, 1205276), (136, 602638), (272, 301319)]