64390135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 85155840

約数和(自身を除く): 20765705

約数列:

[1, 5, 17, 43, 79, 85, 215, 223, 395, 731, 1115, 1343, 3397, 3655, 3791, 6715, 9589, 16985, 17617, 18955, 47945, 57749, 88085, 163013, 288745, 299489, 757531, 815065, 1497445, 3787655, 12878027, 64390135]

約数ペア:

[(1, 64390135), (5, 12878027), (17, 3787655), (43, 1497445), (79, 815065), (85, 757531), (215, 299489), (223, 288745), (395, 163013), (731, 88085), (1115, 57749), (1343, 47945), (3397, 18955), (3655, 17617), (3791, 16985), (6715, 9589)]