68664415

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 88646400

約数和(自身を除く): 19981985

約数列:

[1, 5, 37, 47, 53, 149, 185, 235, 265, 745, 1739, 1961, 2491, 5513, 7003, 7897, 8695, 9805, 12455, 27565, 35015, 39485, 92167, 259111, 292189, 371159, 460835, 1295555, 1460945, 1855795, 13732883, 68664415]

約数ペア:

[(1, 68664415), (5, 13732883), (37, 1855795), (47, 1460945), (53, 1295555), (149, 460835), (185, 371159), (235, 292189), (265, 259111), (745, 92167), (1739, 39485), (1961, 35015), (2491, 27565), (5513, 12455), (7003, 9805), (7897, 8695)]