7642085

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 10782720

約数和(自身を除く): 3140635

約数列:

[1, 5, 11, 19, 55, 71, 95, 103, 209, 355, 515, 781, 1045, 1133, 1349, 1957, 3905, 5665, 6745, 7313, 9785, 14839, 21527, 36565, 74195, 80443, 107635, 138947, 402215, 694735, 1528417, 7642085]

約数ペア:

[(1, 7642085), (5, 1528417), (11, 694735), (19, 402215), (55, 138947), (71, 107635), (95, 80443), (103, 74195), (209, 36565), (355, 21527), (515, 14839), (781, 9785), (1045, 7313), (1133, 6745), (1349, 5665), (1957, 3905)]