86017990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 158868864

約数和(自身を除く): 72850874

約数列:

[1, 2, 5, 10, 47, 94, 235, 397, 461, 470, 794, 922, 1985, 2305, 3970, 4610, 18659, 21667, 37318, 43334, 93295, 108335, 183017, 186590, 216670, 366034, 915085, 1830170, 8601799, 17203598, 43008995, 86017990]

約数ペア:

[(1, 86017990), (2, 43008995), (5, 17203598), (10, 8601799), (47, 1830170), (94, 915085), (235, 366034), (397, 216670), (461, 186590), (470, 183017), (794, 108335), (922, 93295), (1985, 43334), (2305, 37318), (3970, 21667), (4610, 18659)]