27878045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{25229}}^1$

素因数の和:25264

約数の個数: 16

約数和(自身を含む): 38147760

約数和(自身を除く): 10269715

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 25229, 126145, 327977, 428893, 1639885, 2144465, 5575609, 27878045]

約数ペア:

[(1, 27878045), (5, 5575609), (13, 2144465), (17, 1639885), (65, 428893), (85, 327977), (221, 126145), (1105, 25229)]