388632895

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7621}}^1$

素因数の和:7711

約数の個数: 32

約数和(自身を含む): 561954816

約数和(自身を除く): 173321921

約数列:

[1, 5, 7, 31, 35, 47, 155, 217, 235, 329, 1085, 1457, 1645, 7285, 7621, 10199, 38105, 50995, 53347, 236251, 266735, 358187, 1181255, 1653757, 1790935, 2507309, 8268785, 11103797, 12536545, 55518985, 77726579, 388632895]

約数ペア:

[(1, 388632895), (5, 77726579), (7, 55518985), (31, 12536545), (35, 11103797), (47, 8268785), (155, 2507309), (217, 1790935), (235, 1653757), (329, 1181255), (1085, 358187), (1457, 266735), (1645, 236251), (7285, 53347), (7621, 50995), (10199, 38105)]