9491990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 17962560

約数和(自身を除く): 8470570

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 461, 710, 922, 2059, 2305, 4118, 4610, 10295, 13369, 20590, 26738, 32731, 65462, 66845, 133690, 163655, 327310, 949199, 1898398, 4745995, 9491990]

約数ペア:

[(1, 9491990), (2, 4745995), (5, 1898398), (10, 949199), (29, 327310), (58, 163655), (71, 133690), (142, 66845), (145, 65462), (290, 32731), (355, 26738), (461, 20590), (710, 13369), (922, 10295), (2059, 4610), (2305, 4118)]