172915384

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1229}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 332838000

約数和(自身を除く): 159922616

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 409, 818, 1229, 1636, 2458, 3272, 4916, 9832, 17587, 35174, 52847, 70348, 105694, 140696, 211388, 422776, 502661, 1005322, 2010644, 4021288, 21614423, 43228846, 86457692, 172915384]

約数ペア:

[(1, 172915384), (2, 86457692), (4, 43228846), (8, 21614423), (43, 4021288), (86, 2010644), (172, 1005322), (344, 502661), (409, 422776), (818, 211388), (1229, 140696), (1636, 105694), (2458, 70348), (3272, 52847), (4916, 35174), (9832, 17587)]