221491504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{62639}}^1$

素因数の和:62677

約数の個数: 40

約数和(自身を含む): 489343680

約数和(自身を除く): 267852176

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 62639, 125278, 250556, 501112, 814307, 1002224, 1064863, 1628614, 2129726, 3257228, 4259452, 6514456, 8518904, 13028912, 13843219, 17037808, 27686438, 55372876, 110745752, 221491504]

約数ペア:

[(1, 221491504), (2, 110745752), (4, 55372876), (8, 27686438), (13, 17037808), (16, 13843219), (17, 13028912), (26, 8518904), (34, 6514456), (52, 4259452), (68, 3257228), (104, 2129726), (136, 1628614), (208, 1064863), (221, 1002224), (272, 814307), (442, 501112), (884, 250556), (1768, 125278), (3536, 62639)]