289774814

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{14923}}^1$

素因数の和:15024

約数の個数: 32

約数和(自身を含む): 530100480

約数和(自身を除く): 240325666

約数列:

[1, 2, 7, 14, 19, 38, 73, 133, 146, 266, 511, 1022, 1387, 2774, 9709, 14923, 19418, 29846, 104461, 208922, 283537, 567074, 1089379, 1984759, 2178758, 3969518, 7625653, 15251306, 20698201, 41396402, 144887407, 289774814]

約数ペア:

[(1, 289774814), (2, 144887407), (7, 41396402), (14, 20698201), (19, 15251306), (38, 7625653), (73, 3969518), (133, 2178758), (146, 1984759), (266, 1089379), (511, 567074), (1022, 283537), (1387, 208922), (2774, 104461), (9709, 29846), (14923, 19418)]