81951590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19843}}^1$

素因数の和:19916

約数の個数: 32

約数和(自身を含む): 171452160

約数和(自身を除く): 89500570

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 19843, 39686, 99215, 138901, 198430, 277802, 694505, 1170737, 1389010, 2341474, 5853685, 8195159, 11707370, 16390318, 40975795, 81951590]

約数ペア:

[(1, 81951590), (2, 40975795), (5, 16390318), (7, 11707370), (10, 8195159), (14, 5853685), (35, 2341474), (59, 1389010), (70, 1170737), (118, 694505), (295, 277802), (413, 198430), (590, 138901), (826, 99215), (2065, 39686), (4130, 19843)]