86425870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2309}}^1$

素因数の和:2532

約数の個数: 32

約数和(自身を含む): 164656800

約数和(自身を除く): 78230930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 985, 1970, 2309, 3743, 4618, 7486, 11545, 18715, 23090, 37430, 43871, 87742, 219355, 438710, 454873, 909746, 2274365, 4548730, 8642587, 17285174, 43212935, 86425870]

約数ペア:

[(1, 86425870), (2, 43212935), (5, 17285174), (10, 8642587), (19, 4548730), (38, 2274365), (95, 909746), (190, 454873), (197, 438710), (394, 219355), (985, 87742), (1970, 43871), (2309, 37430), (3743, 23090), (4618, 18715), (7486, 11545)]