165040252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 321048000

約数和(自身を除く): 156007748

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 199, 389, 398, 533, 778, 796, 1066, 1556, 2132, 2587, 5057, 5174, 8159, 10114, 10348, 15949, 16318, 20228, 31898, 32636, 63796, 77411, 106067, 154822, 207337, 212134, 309644, 414674, 424268, 829348, 1006343, 2012686, 3173851, 4025372, 6347702, 12695404, 41260063, 82520126, 165040252]

約数ペア:

[(1, 165040252), (2, 82520126), (4, 41260063), (13, 12695404), (26, 6347702), (41, 4025372), (52, 3173851), (82, 2012686), (164, 1006343), (199, 829348), (389, 424268), (398, 414674), (533, 309644), (778, 212134), (796, 207337), (1066, 154822), (1556, 106067), (2132, 77411), (2587, 63796), (5057, 32636), (5174, 31898), (8159, 20228), (10114, 16318), (10348, 15949)]