81581838

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{6263}}^1$

素因数の和:6448

約数の個数: 32

約数和(自身を含む): 176795136

約数和(自身を除く): 95213298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 167, 334, 501, 1002, 2171, 4342, 6263, 6513, 12526, 13026, 18789, 37578, 81419, 162838, 244257, 488514, 1045921, 2091842, 3137763, 6275526, 13596973, 27193946, 40790919, 81581838]

約数ペア:

[(1, 81581838), (2, 40790919), (3, 27193946), (6, 13596973), (13, 6275526), (26, 3137763), (39, 2091842), (78, 1045921), (167, 488514), (334, 244257), (501, 162838), (1002, 81419), (2171, 37578), (4342, 18789), (6263, 13026), (6513, 12526)]