81559636

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{9817}}^1$

素因数の和:9919

約数の個数: 24

約数和(自身を含む): 149547776

約数和(自身を除く): 67988140

約数列:

[1, 2, 4, 31, 62, 67, 124, 134, 268, 2077, 4154, 8308, 9817, 19634, 39268, 304327, 608654, 657739, 1217308, 1315478, 2630956, 20389909, 40779818, 81559636]

約数ペア:

[(1, 81559636), (2, 40779818), (4, 20389909), (31, 2630956), (62, 1315478), (67, 1217308), (124, 657739), (134, 608654), (268, 304327), (2077, 39268), (4154, 19634), (8308, 9817)]