64541225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11897}}^1$

素因数の和:11945

約数の個数: 24

約数和(自身を含む): 94422528

約数和(自身を除く): 29881303

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 11897, 59485, 83279, 297425, 368807, 416395, 1844035, 2081975, 2581649, 9220175, 12908245, 64541225]

約数ペア:

[(1, 64541225), (5, 12908245), (7, 9220175), (25, 2581649), (31, 2081975), (35, 1844035), (155, 416395), (175, 368807), (217, 297425), (775, 83279), (1085, 59485), (5425, 11897)]