684644350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{81023}}^1$

素因数の和:81061

約数の個数: 36

約数和(自身を含む): 1378947456

約数和(自身を除く): 694303106

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 4225, 8450, 81023, 162046, 405115, 810230, 1053299, 2025575, 2106598, 4051150, 5266495, 10532990, 13692887, 26332475, 27385774, 52664950, 68464435, 136928870, 342322175, 684644350]

約数ペア:

[(1, 684644350), (2, 342322175), (5, 136928870), (10, 68464435), (13, 52664950), (25, 27385774), (26, 26332475), (50, 13692887), (65, 10532990), (130, 5266495), (169, 4051150), (325, 2106598), (338, 2025575), (650, 1053299), (845, 810230), (1690, 405115), (4225, 162046), (8450, 81023)]