221408944

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{446389}}^1$

素因数の和:446428

約数の個数: 20

約数和(自身を含む): 442818880

約数和(自身を除く): 221409936

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 446389, 892778, 1785556, 3571112, 7142224, 13838059, 27676118, 55352236, 110704472, 221408944]

約数ペア:

[(1, 221408944), (2, 110704472), (4, 55352236), (8, 27676118), (16, 13838059), (31, 7142224), (62, 3571112), (124, 1785556), (248, 892778), (496, 446389)]