72712315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2861}}^1$

素因数の和:2919

約数の個数: 32

約数和(自身を含む): 103856256

約数和(自身を除く): 31143941

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 2861, 5083, 14305, 25415, 37193, 48637, 65803, 185965, 243185, 329015, 632281, 855439, 1118651, 3161405, 4277195, 5593255, 14542463, 72712315]

約数ペア:

[(1, 72712315), (5, 14542463), (13, 5593255), (17, 4277195), (23, 3161405), (65, 1118651), (85, 855439), (115, 632281), (221, 329015), (299, 243185), (391, 185965), (1105, 65803), (1495, 48637), (1955, 37193), (2861, 25415), (5083, 14305)]