49380981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 75479040

約数和(自身を除く): 26098059

約数列:

[1, 3, 13, 19, 39, 57, 103, 247, 309, 647, 741, 1339, 1941, 1957, 4017, 5871, 8411, 12293, 25233, 25441, 36879, 66641, 76323, 159809, 199923, 479427, 866333, 1266179, 2598999, 3798537, 16460327, 49380981]

約数ペア:

[(1, 49380981), (3, 16460327), (13, 3798537), (19, 2598999), (39, 1266179), (57, 866333), (103, 479427), (247, 199923), (309, 159809), (647, 76323), (741, 66641), (1339, 36879), (1941, 25441), (1957, 25233), (4017, 12293), (5871, 8411)]