81941236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42589}}^1$

素因数の和:42643

約数の個数: 24

約数和(自身を含む): 158605160

約数和(自身を除く): 76663924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 42589, 85178, 170356, 553657, 1107314, 1575793, 2214628, 3151586, 6303172, 20485309, 40970618, 81941236]

約数ペア:

[(1, 81941236), (2, 40970618), (4, 20485309), (13, 6303172), (26, 3151586), (37, 2214628), (52, 1575793), (74, 1107314), (148, 553657), (481, 170356), (962, 85178), (1924, 42589)]