664634589

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{953}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 935011584

約数和(自身を除く): 270376995

約数列:

[1, 3, 37, 61, 103, 111, 183, 309, 953, 2257, 2859, 3811, 6283, 6771, 11433, 18849, 35261, 58133, 98159, 105783, 174399, 232471, 294477, 697413, 2150921, 3631883, 5987699, 6452763, 10895649, 17963097, 221544863, 664634589]

約数ペア:

[(1, 664634589), (3, 221544863), (37, 17963097), (61, 10895649), (103, 6452763), (111, 5987699), (183, 3631883), (309, 2150921), (953, 697413), (2257, 294477), (2859, 232471), (3811, 174399), (6283, 105783), (6771, 98159), (11433, 58133), (18849, 35261)]