749246420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2881717}}^1$

素因数の和:2881739

約数の個数: 24

約数和(自身を含む): 1694450184

約数和(自身を除く): 945203764

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2881717, 5763434, 11526868, 14408585, 28817170, 37462321, 57634340, 74924642, 149849284, 187311605, 374623210, 749246420]

約数ペア:

[(1, 749246420), (2, 374623210), (4, 187311605), (5, 149849284), (10, 74924642), (13, 57634340), (20, 37462321), (26, 28817170), (52, 14408585), (65, 11526868), (130, 5763434), (260, 2881717)]