81816436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{3413}}^1$

素因数の和:3891

約数の個数: 24

約数和(自身を含む): 154572264

約数和(自身を除く): 72755828

約数列:

[1, 2, 4, 13, 26, 52, 461, 922, 1844, 3413, 5993, 6826, 11986, 13652, 23972, 44369, 88738, 177476, 1573393, 3146786, 6293572, 20454109, 40908218, 81816436]

約数ペア:

[(1, 81816436), (2, 40908218), (4, 20454109), (13, 6293572), (26, 3146786), (52, 1573393), (461, 177476), (922, 88738), (1844, 44369), (3413, 23972), (5993, 13652), (6826, 11986)]