28317725

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{599}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 36902400

約数和(自身を除く): 8584675

約数列:

[1, 5, 25, 31, 61, 155, 305, 599, 775, 1525, 1891, 2995, 9455, 14975, 18569, 36539, 47275, 92845, 182695, 464225, 913475, 1132709, 5663545, 28317725]

約数ペア:

[(1, 28317725), (5, 5663545), (25, 1132709), (31, 913475), (61, 464225), (155, 182695), (305, 92845), (599, 47275), (775, 36539), (1525, 18569), (1891, 14975), (2995, 9455)]