631711997

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{911}}^1$

素因数の和:1073

約数の個数: 32

約数和(自身を含む): 777461760

約数和(自身を除く): 145749763

約数列:

[1, 7, 23, 59, 73, 161, 413, 511, 911, 1357, 1679, 4307, 6377, 9499, 11753, 20953, 30149, 53749, 66503, 99061, 146671, 376243, 465521, 693427, 1236227, 1529569, 3923677, 8653589, 10706983, 27465739, 90244571, 631711997]

約数ペア:

[(1, 631711997), (7, 90244571), (23, 27465739), (59, 10706983), (73, 8653589), (161, 3923677), (413, 1529569), (511, 1236227), (911, 693427), (1357, 465521), (1679, 376243), (4307, 146671), (6377, 99061), (9499, 66503), (11753, 53749), (20953, 30149)]