261657308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{12211}}^1$

素因数の和:12713

約数の個数: 24

約数和(自身を含む): 500594304

約数和(自身を除く): 238936996

約数列:

[1, 2, 4, 11, 22, 44, 487, 974, 1948, 5357, 10714, 12211, 21428, 24422, 48844, 134321, 268642, 537284, 5946757, 11893514, 23787028, 65414327, 130828654, 261657308]

約数ペア:

[(1, 261657308), (2, 130828654), (4, 65414327), (11, 23787028), (22, 11893514), (44, 5946757), (487, 537284), (974, 268642), (1948, 134321), (5357, 48844), (10714, 24422), (12211, 21428)]