66978325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 90723360

約数和(自身を除く): 23745035

約数列:

[1, 5, 19, 25, 37, 95, 103, 185, 475, 515, 703, 925, 1369, 1957, 2575, 3515, 3811, 6845, 9785, 17575, 19055, 26011, 34225, 48925, 72409, 95275, 130055, 141007, 362045, 650275, 705035, 1810225, 2679133, 3525175, 13395665, 66978325]

約数ペア:

[(1, 66978325), (5, 13395665), (19, 3525175), (25, 2679133), (37, 1810225), (95, 705035), (103, 650275), (185, 362045), (475, 141007), (515, 130055), (703, 95275), (925, 72409), (1369, 48925), (1957, 34225), (2575, 26011), (3515, 19055), (3811, 17575), (6845, 9785)]