161221268

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{14029}}^1$

素因数の和:14076

約数の個数: 36

約数和(自身を含む): 323503740

約数和(自身を除く): 162282472

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 169, 221, 338, 442, 676, 884, 2873, 5746, 11492, 14029, 28058, 56116, 182377, 238493, 364754, 476986, 729508, 953972, 2370901, 3100409, 4741802, 6200818, 9483604, 12401636, 40305317, 80610634, 161221268]

約数ペア:

[(1, 161221268), (2, 80610634), (4, 40305317), (13, 12401636), (17, 9483604), (26, 6200818), (34, 4741802), (52, 3100409), (68, 2370901), (169, 953972), (221, 729508), (338, 476986), (442, 364754), (676, 238493), (884, 182377), (2873, 56116), (5746, 28058), (11492, 14029)]