1631511890

素因数分解:

$2^1\times 5^1\times {\mathrm{6421}}^1\times {\mathrm{25409}}^1$

素因数の和:31837

約数の個数: 16

約数和(自身を含む): 2937294360

約数和(自身を除く): 1305782470

約数列:

[1, 2, 5, 10, 6421, 12842, 25409, 32105, 50818, 64210, 127045, 254090, 163151189, 326302378, 815755945, 1631511890]

約数ペア:

[(1, 1631511890), (2, 815755945), (5, 326302378), (10, 163151189), (6421, 254090), (12842, 127045), (25409, 64210), (32105, 50818)]