72564556

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1297}}^1$

素因数の和:1569

約数の個数: 24

約数和(自身を含む): 129530016

約数和(自身を除く): 56965460

約数列:

[1, 2, 4, 71, 142, 197, 284, 394, 788, 1297, 2594, 5188, 13987, 27974, 55948, 92087, 184174, 255509, 368348, 511018, 1022036, 18141139, 36282278, 72564556]

約数ペア:

[(1, 72564556), (2, 36282278), (4, 18141139), (71, 1022036), (142, 511018), (197, 368348), (284, 255509), (394, 184174), (788, 92087), (1297, 55948), (2594, 27974), (5188, 13987)]