27850290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71411}}^1$

素因数の和:71434

約数の個数: 32

約数和(自身を含む): 71983296

約数和(自身を除く): 44133006

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 71411, 142822, 214233, 357055, 428466, 714110, 928343, 1071165, 1856686, 2142330, 2785029, 4641715, 5570058, 9283430, 13925145, 27850290]

約数ペア:

[(1, 27850290), (2, 13925145), (3, 9283430), (5, 5570058), (6, 4641715), (10, 2785029), (13, 2142330), (15, 1856686), (26, 1071165), (30, 928343), (39, 714110), (65, 428466), (78, 357055), (130, 214233), (195, 142822), (390, 71411)]