25428455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 9480601

約数列:

[1, 5, 13, 23, 65, 73, 115, 233, 299, 365, 949, 1165, 1495, 1679, 3029, 4745, 5359, 8395, 15145, 17009, 21827, 26795, 69667, 85045, 109135, 221117, 348335, 391207, 1105585, 1956035, 5085691, 25428455]

約数ペア:

[(1, 25428455), (5, 5085691), (13, 1956035), (23, 1105585), (65, 391207), (73, 348335), (115, 221117), (233, 109135), (299, 85045), (365, 69667), (949, 26795), (1165, 21827), (1495, 17009), (1679, 15145), (3029, 8395), (4745, 5359)]