1990330108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{6637}}^1$

素因数の和:6806

約数の個数: 48

約数和(自身を含む): 3851102080

約数和(自身を除く): 1860771972

約数列:

[1, 2, 4, 13, 26, 52, 73, 79, 146, 158, 292, 316, 949, 1027, 1898, 2054, 3796, 4108, 5767, 6637, 11534, 13274, 23068, 26548, 74971, 86281, 149942, 172562, 299884, 345124, 484501, 524323, 969002, 1048646, 1938004, 2097292, 6298513, 6816199, 12597026, 13632398, 25194052, 27264796, 38275579, 76551158, 153102316, 497582527, 995165054, 1990330108]

約数ペア:

[(1, 1990330108), (2, 995165054), (4, 497582527), (13, 153102316), (26, 76551158), (52, 38275579), (73, 27264796), (79, 25194052), (146, 13632398), (158, 12597026), (292, 6816199), (316, 6298513), (949, 2097292), (1027, 1938004), (1898, 1048646), (2054, 969002), (3796, 524323), (4108, 484501), (5767, 345124), (6637, 299884), (11534, 172562), (13274, 149942), (23068, 86281), (26548, 74971)]