395399090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{2347}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 754665984

約数和(自身を除く): 359266894

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 991, 1982, 2347, 4694, 4955, 9910, 11735, 16847, 23470, 33694, 39899, 79798, 84235, 168470, 199495, 398990, 2325877, 4651754, 11629385, 23258770, 39539909, 79079818, 197699545, 395399090]

約数ペア:

[(1, 395399090), (2, 197699545), (5, 79079818), (10, 39539909), (17, 23258770), (34, 11629385), (85, 4651754), (170, 2325877), (991, 398990), (1982, 199495), (2347, 168470), (4694, 84235), (4955, 79798), (9910, 39899), (11735, 33694), (16847, 23470)]