260291252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{161471}}^1$

素因数の和:161519

約数の個数: 24

約数和(自身を含む): 506376192

約数和(自身を除く): 246084940

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 161471, 322942, 645884, 2099123, 4198246, 5005601, 8396492, 10011202, 20022404, 65072813, 130145626, 260291252]

約数ペア:

[(1, 260291252), (2, 130145626), (4, 65072813), (13, 20022404), (26, 10011202), (31, 8396492), (52, 5005601), (62, 4198246), (124, 2099123), (403, 645884), (806, 322942), (1612, 161471)]