220090568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{4637}}^1$

素因数の和:5009

約数の個数: 32

約数和(自身を含む): 438291000

約数和(自身を除く): 218200432

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 349, 698, 1396, 2792, 4637, 5933, 9274, 11866, 18548, 23732, 37096, 47464, 78829, 157658, 315316, 630632, 1618313, 3236626, 6473252, 12946504, 27511321, 55022642, 110045284, 220090568]

約数ペア:

[(1, 220090568), (2, 110045284), (4, 55022642), (8, 27511321), (17, 12946504), (34, 6473252), (68, 3236626), (136, 1618313), (349, 630632), (698, 315316), (1396, 157658), (2792, 78829), (4637, 47464), (5933, 37096), (9274, 23732), (11866, 18548)]