219169535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{108769}}^1$

素因数の和:108818

約数の個数: 16

約数和(自身を含む): 292373760

約数和(自身を除く): 73204225

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 108769, 543845, 1413997, 3371839, 7069985, 16859195, 43833907, 219169535]

約数ペア:

[(1, 219169535), (5, 43833907), (13, 16859195), (31, 7069985), (65, 3371839), (155, 1413997), (403, 543845), (2015, 108769)]