87138275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 132134400

約数和(自身を除く): 44996125

約数列:

[1, 5, 7, 19, 25, 35, 73, 95, 133, 175, 359, 365, 475, 511, 665, 1387, 1795, 1825, 2513, 2555, 3325, 6821, 6935, 8975, 9709, 12565, 12775, 26207, 34105, 34675, 47747, 48545, 62825, 131035, 170525, 183449, 238735, 242725, 497933, 655175, 917245, 1193675, 2489665, 3485531, 4586225, 12448325, 17427655, 87138275]

約数ペア:

[(1, 87138275), (5, 17427655), (7, 12448325), (19, 4586225), (25, 3485531), (35, 2489665), (73, 1193675), (95, 917245), (133, 655175), (175, 497933), (359, 242725), (365, 238735), (475, 183449), (511, 170525), (665, 131035), (1387, 62825), (1795, 48545), (1825, 47747), (2513, 34675), (2555, 34105), (3325, 26207), (6821, 12775), (6935, 12565), (8975, 9709)]