638961052

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{31181}}^1$

素因数の和:31341

約数の個数: 24

約数和(自身を含む): 1152486720

約数和(自身を除く): 513525668

約数列:

[1, 2, 4, 47, 94, 109, 188, 218, 436, 5123, 10246, 20492, 31181, 62362, 124724, 1465507, 2931014, 3398729, 5862028, 6797458, 13594916, 159740263, 319480526, 638961052]

約数ペア:

[(1, 638961052), (2, 319480526), (4, 159740263), (47, 13594916), (94, 6797458), (109, 5862028), (188, 3398729), (218, 2931014), (436, 1465507), (5123, 124724), (10246, 62362), (20492, 31181)]