199989215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{3697}}^1$

素因数の和:4082

約数の個数: 16

約数和(自身を含む): 248505600

約数和(自身を除く): 48516385

約数列:

[1, 5, 31, 155, 349, 1745, 3697, 10819, 18485, 54095, 114607, 573035, 1290253, 6451265, 39997843, 199989215]

約数ペア:

[(1, 199989215), (5, 39997843), (31, 6451265), (155, 1290253), (349, 573035), (1745, 114607), (3697, 54095), (10819, 18485)]