207855310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51577}}^1$

素因数の和:51628

約数の個数: 32

約数和(自身を含む): 415924992

約数和(自身を除く): 208069682

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51577, 103154, 257885, 515770, 670501, 1341002, 1598887, 3197774, 3352505, 6705010, 7994435, 15988870, 20785531, 41571062, 103927655, 207855310]

約数ペア:

[(1, 207855310), (2, 103927655), (5, 41571062), (10, 20785531), (13, 15988870), (26, 7994435), (31, 6705010), (62, 3352505), (65, 3197774), (130, 1598887), (155, 1341002), (310, 670501), (403, 515770), (806, 257885), (2015, 103154), (4030, 51577)]