221465395

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{34849}}^1$

素因数の和:34926

約数の個数: 16

約数和(自身を含む): 281030400

約数和(自身を除く): 59565005

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 34849, 174245, 1080319, 1428809, 5401595, 7144045, 44293079, 221465395]

約数ペア:

[(1, 221465395), (5, 44293079), (31, 7144045), (41, 5401595), (155, 1428809), (205, 1080319), (1271, 174245), (6355, 34849)]