1645325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2309376

約数和(自身を除く): 664051

約数列:

[1, 5, 11, 25, 31, 55, 155, 193, 275, 341, 775, 965, 1705, 2123, 4825, 5983, 8525, 10615, 29915, 53075, 65813, 149575, 329065, 1645325]

約数ペア:

[(1, 1645325), (5, 329065), (11, 149575), (25, 65813), (31, 53075), (55, 29915), (155, 10615), (193, 8525), (275, 5983), (341, 4825), (775, 2123), (965, 1705)]