9955990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{3121}}^1$

素因数の和:3168

約数の個数: 32

約数和(自身を含む): 20230560

約数和(自身を除く): 10274570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3121, 3190, 6242, 15605, 31210, 34331, 68662, 90509, 171655, 181018, 343310, 452545, 905090, 995599, 1991198, 4977995, 9955990]

約数ペア:

[(1, 9955990), (2, 4977995), (5, 1991198), (10, 995599), (11, 905090), (22, 452545), (29, 343310), (55, 181018), (58, 171655), (110, 90509), (145, 68662), (290, 34331), (319, 31210), (638, 15605), (1595, 6242), (3121, 3190)]