211020929

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 260997120

約数和(自身を除く): 49976191

約数列:

[1, 7, 23, 47, 79, 161, 329, 353, 553, 1081, 1817, 2471, 3713, 7567, 8119, 12719, 16591, 25991, 27887, 56833, 85399, 116137, 195209, 381593, 597793, 641401, 1310689, 2671151, 4489807, 9174823, 30145847, 211020929]

約数ペア:

[(1, 211020929), (7, 30145847), (23, 9174823), (47, 4489807), (79, 2671151), (161, 1310689), (329, 641401), (353, 597793), (553, 381593), (1081, 195209), (1817, 116137), (2471, 85399), (3713, 56833), (7567, 27887), (8119, 25991), (12719, 16591)]