855990425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{9133}}^1$

素因数の和:9329

約数の個数: 24

約数和(自身を含む): 1114494144

約数和(自身を除く): 258503719

約数列:

[1, 5, 23, 25, 115, 163, 575, 815, 3749, 4075, 9133, 18745, 45665, 93725, 210059, 228325, 1050295, 1488679, 5251475, 7443395, 34239617, 37216975, 171198085, 855990425]

約数ペア:

[(1, 855990425), (5, 171198085), (23, 37216975), (25, 34239617), (115, 7443395), (163, 5251475), (575, 1488679), (815, 1050295), (3749, 228325), (4075, 210059), (9133, 93725), (18745, 45665)]