72423715

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{22739}}^1$

素因数の和:22771

約数の個数: 24

約数和(自身を含む): 108879120

約数和(自身を除く): 36455405

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 22739, 113695, 159173, 295607, 795865, 1114211, 1478035, 2069249, 5571055, 10346245, 14484743, 72423715]

約数ペア:

[(1, 72423715), (5, 14484743), (7, 10346245), (13, 5571055), (35, 2069249), (49, 1478035), (65, 1114211), (91, 795865), (245, 295607), (455, 159173), (637, 113695), (3185, 22739)]