213425512

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{1637}}^1$

素因数の和:2065

約数の個数: 32

約数和(自身を含む): 410810400

約数和(自身を除く): 197384888

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 379, 758, 1516, 1637, 3032, 3274, 6548, 13096, 16297, 32594, 65188, 70391, 130376, 140782, 281564, 563128, 620423, 1240846, 2481692, 4963384, 26678189, 53356378, 106712756, 213425512]

約数ペア:

[(1, 213425512), (2, 106712756), (4, 53356378), (8, 26678189), (43, 4963384), (86, 2481692), (172, 1240846), (344, 620423), (379, 563128), (758, 281564), (1516, 140782), (1637, 130376), (3032, 70391), (3274, 65188), (6548, 32594), (13096, 16297)]