64539805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{19889}}^1$

素因数の和:19964

約数の個数: 16

約数和(自身を含む): 85924800

約数和(自身を除く): 21384995

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 19889, 99445, 218779, 1093895, 1173451, 5867255, 12907961, 64539805]

約数ペア:

[(1, 64539805), (5, 12907961), (11, 5867255), (55, 1173451), (59, 1093895), (295, 218779), (649, 99445), (3245, 19889)]