1243451890

素因数分解:

$2^1\times 5^1\times {\mathrm{4003}}^1\times {\mathrm{31063}}^1$

素因数の和:35073

約数の個数: 16

約数和(自身を含む): 2238844608

約数和(自身を除く): 995392718

約数列:

[1, 2, 5, 10, 4003, 8006, 20015, 31063, 40030, 62126, 155315, 310630, 124345189, 248690378, 621725945, 1243451890]

約数ペア:

[(1, 1243451890), (2, 621725945), (5, 248690378), (10, 124345189), (4003, 310630), (8006, 155315), (20015, 62126), (31063, 40030)]