397751548

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{121711}}^1$

素因数の和:121777

約数の個数: 24

約数和(自身を含む): 749745920

約数和(自身を除く): 351994372

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 121711, 243422, 486844, 2312509, 4625018, 5233573, 9250036, 10467146, 20934292, 99437887, 198875774, 397751548]

約数ペア:

[(1, 397751548), (2, 198875774), (4, 99437887), (19, 20934292), (38, 10467146), (43, 9250036), (76, 5233573), (86, 4625018), (172, 2312509), (817, 486844), (1634, 243422), (3268, 121711)]