23894455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 32288256

約数和(自身を除く): 8393801

約数列:

[1, 5, 13, 43, 65, 83, 103, 215, 415, 515, 559, 1079, 1339, 2795, 3569, 4429, 5395, 6695, 8549, 17845, 22145, 42745, 46397, 57577, 111137, 231985, 287885, 367607, 555685, 1838035, 4778891, 23894455]

約数ペア:

[(1, 23894455), (5, 4778891), (13, 1838035), (43, 555685), (65, 367607), (83, 287885), (103, 231985), (215, 111137), (415, 57577), (515, 46397), (559, 42745), (1079, 22145), (1339, 17845), (2795, 8549), (3569, 6695), (4429, 5395)]