64426565

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 92952576

約数和(自身を除く): 28526011

約数列:

[1, 5, 7, 23, 35, 115, 161, 163, 491, 805, 815, 1141, 2455, 3437, 3749, 5705, 11293, 17185, 18745, 26243, 56465, 79051, 80033, 131215, 395255, 400165, 560231, 1840759, 2801155, 9203795, 12885313, 64426565]

約数ペア:

[(1, 64426565), (5, 12885313), (7, 9203795), (23, 2801155), (35, 1840759), (115, 560231), (161, 400165), (163, 395255), (491, 131215), (805, 80033), (815, 79051), (1141, 56465), (2455, 26243), (3437, 18745), (3749, 17185), (5705, 11293)]