156907205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 239065344

約数和(自身を除く): 82158139

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 169, 205, 287, 455, 533, 647, 845, 1183, 1435, 2665, 3235, 3731, 4529, 5915, 6929, 8411, 18655, 22645, 26527, 34645, 42055, 48503, 58877, 109343, 132635, 185689, 242515, 294385, 344851, 546715, 765401, 928445, 1724255, 2413957, 3827005, 4483063, 12069785, 22415315, 31381441, 156907205]

約数ペア:

[(1, 156907205), (5, 31381441), (7, 22415315), (13, 12069785), (35, 4483063), (41, 3827005), (65, 2413957), (91, 1724255), (169, 928445), (205, 765401), (287, 546715), (455, 344851), (533, 294385), (647, 242515), (845, 185689), (1183, 132635), (1435, 109343), (2665, 58877), (3235, 48503), (3731, 42055), (4529, 34645), (5915, 26527), (6929, 22645), (8411, 18655)]