72219715

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{2879}}^1$

素因数の和:3086

約数の個数: 16

約数和(自身を含む): 90201600

約数和(自身を除く): 17981885

約数列:

[1, 5, 29, 145, 173, 865, 2879, 5017, 14395, 25085, 83491, 417455, 498067, 2490335, 14443943, 72219715]

約数ペア:

[(1, 72219715), (5, 14443943), (29, 2490335), (145, 498067), (173, 417455), (865, 83491), (2879, 25085), (5017, 14395)]