171566591

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 220631040

約数和(自身を除く): 49064449

約数列:

[1, 7, 23, 41, 47, 49, 79, 161, 287, 329, 553, 943, 1081, 1127, 1817, 1927, 2009, 2303, 3239, 3713, 3871, 6601, 7567, 12719, 13489, 22673, 25991, 44321, 46207, 52969, 74497, 85399, 89033, 94423, 152233, 158711, 181937, 310247, 521479, 597793, 1065631, 2171729, 3501359, 3650353, 4184551, 7459417, 24509513, 171566591]

約数ペア:

[(1, 171566591), (7, 24509513), (23, 7459417), (41, 4184551), (47, 3650353), (49, 3501359), (79, 2171729), (161, 1065631), (287, 597793), (329, 521479), (553, 310247), (943, 181937), (1081, 158711), (1127, 152233), (1817, 94423), (1927, 89033), (2009, 85399), (2303, 74497), (3239, 52969), (3713, 46207), (3871, 44321), (6601, 25991), (7567, 22673), (12719, 13489)]