256971348

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{134681}}^1$

素因数の和:134744

約数の個数: 36

約数和(自身を含む): 661827348

約数和(自身を除く): 404856000

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 134681, 269362, 404043, 538724, 808086, 1212129, 1616172, 2424258, 4848516, 7138093, 14276186, 21414279, 28552372, 42828558, 64242837, 85657116, 128485674, 256971348]

約数ペア:

[(1, 256971348), (2, 128485674), (3, 85657116), (4, 64242837), (6, 42828558), (9, 28552372), (12, 21414279), (18, 14276186), (36, 7138093), (53, 4848516), (106, 2424258), (159, 1616172), (212, 1212129), (318, 808086), (477, 538724), (636, 404043), (954, 269362), (1908, 134681)]