427990466

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1\times {\mathrm{359}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 685584000

約数和(自身を除く): 257593534

約数列:

[1, 2, 19, 38, 137, 229, 274, 359, 458, 718, 2603, 4351, 5206, 6821, 8702, 13642, 31373, 49183, 62746, 82211, 98366, 164422, 596087, 934477, 1192174, 1562009, 1868954, 3124018, 11262907, 22525814, 213995233, 427990466]

約数ペア:

[(1, 427990466), (2, 213995233), (19, 22525814), (38, 11262907), (137, 3124018), (229, 1868954), (274, 1562009), (359, 1192174), (458, 934477), (718, 596087), (2603, 164422), (4351, 98366), (5206, 82211), (6821, 62746), (8702, 49183), (13642, 31373)]