64646564577

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19709}}^1\times {\mathrm{6791}}^1$

素因数の和:26533

約数の個数: 32

約数和(自身を含む): 102812405760

約数和(自身を除く): 38165841183

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 6791, 19709, 20373, 47537, 59127, 137963, 142611, 156193, 413889, 453307, 468579, 1093351, 1359921, 3173149, 3280053, 9519447, 133843819, 401531457, 936906733, 2810720199, 3078407837, 9235223511, 21548854859, 64646564577]

約数ペア:

[(1, 64646564577), (3, 21548854859), (7, 9235223511), (21, 3078407837), (23, 2810720199), (69, 936906733), (161, 401531457), (483, 133843819), (6791, 9519447), (19709, 3280053), (20373, 3173149), (47537, 1359921), (59127, 1093351), (137963, 468579), (142611, 453307), (156193, 413889)]