28739075

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 37545216

約数和(自身を除く): 8806141

約数列:

[1, 5, 23, 25, 115, 151, 331, 575, 755, 1655, 3473, 3775, 7613, 8275, 17365, 38065, 49981, 86825, 190325, 249905, 1149563, 1249525, 5747815, 28739075]

約数ペア:

[(1, 28739075), (5, 5747815), (23, 1249525), (25, 1149563), (115, 249905), (151, 190325), (331, 86825), (575, 49981), (755, 38065), (1655, 17365), (3473, 8275), (3775, 7613)]