201821245

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4441}}^1$

素因数の和:4656

約数の個数: 16

約数和(自身を含む): 247863600

約数和(自身を除く): 46042355

約数列:

[1, 5, 61, 149, 305, 745, 4441, 9089, 22205, 45445, 270901, 661709, 1354505, 3308545, 40364249, 201821245]

約数ペア:

[(1, 201821245), (5, 40364249), (61, 3308545), (149, 1354505), (305, 661709), (745, 270901), (4441, 45445), (9089, 22205)]