320401907

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1487

約数の個数: 32

約数和(自身を含む): 406000512

約数和(自身を除く): 85598605

約数列:

[1, 7, 17, 37, 53, 119, 259, 371, 629, 901, 1373, 1961, 4403, 6307, 9611, 13727, 23341, 33337, 50801, 72769, 163387, 233359, 355607, 509383, 863617, 1237073, 2692453, 6045319, 8659511, 18847171, 45771701, 320401907]

約数ペア:

[(1, 320401907), (7, 45771701), (17, 18847171), (37, 8659511), (53, 6045319), (119, 2692453), (259, 1237073), (371, 863617), (629, 509383), (901, 355607), (1373, 233359), (1961, 163387), (4403, 72769), (6307, 50801), (9611, 33337), (13727, 23341)]