620987484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3980689}}^1$

素因数の和:3980709

約数の個数: 24

約数和(自身を含む): 1560430480

約数和(自身を除く): 939442996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 3980689, 7961378, 11942067, 15922756, 23884134, 47768268, 51748957, 103497914, 155246871, 206995828, 310493742, 620987484]

約数ペア:

[(1, 620987484), (2, 310493742), (3, 206995828), (4, 155246871), (6, 103497914), (12, 51748957), (13, 47768268), (26, 23884134), (39, 15922756), (52, 11942067), (78, 7961378), (156, 3980689)]