89608390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2208

約数の個数: 32

約数和(自身を含む): 166328640

約数和(自身を除く): 76720250

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 2069, 4138, 4331, 8662, 10345, 20690, 21655, 43310, 126209, 146899, 252418, 293798, 631045, 734495, 1262090, 1468990, 8960839, 17921678, 44804195, 89608390]

約数ペア:

[(1, 89608390), (2, 44804195), (5, 17921678), (10, 8960839), (61, 1468990), (71, 1262090), (122, 734495), (142, 631045), (305, 293798), (355, 252418), (610, 146899), (710, 126209), (2069, 43310), (4138, 21655), (4331, 20690), (8662, 10345)]