28328290

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2347}}^1$

素因数の和:2442

約数の個数: 32

約数和(自身を含む): 54774144

約数和(自身を除く): 26445854

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2347, 2414, 4694, 6035, 11735, 12070, 23470, 39899, 79798, 166637, 199495, 333274, 398990, 833185, 1666370, 2832829, 5665658, 14164145, 28328290]

約数ペア:

[(1, 28328290), (2, 14164145), (5, 5665658), (10, 2832829), (17, 1666370), (34, 833185), (71, 398990), (85, 333274), (142, 199495), (170, 166637), (355, 79798), (710, 39899), (1207, 23470), (2347, 12070), (2414, 11735), (4694, 6035)]