261612796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{21493}}^1$

素因数の和:21693

約数の個数: 24

約数和(自身を含む): 487483920

約数和(自身を除く): 225871124

約数列:

[1, 2, 4, 17, 34, 68, 179, 358, 716, 3043, 6086, 12172, 21493, 42986, 85972, 365381, 730762, 1461524, 3847247, 7694494, 15388988, 65403199, 130806398, 261612796]

約数ペア:

[(1, 261612796), (2, 130806398), (4, 65403199), (17, 15388988), (34, 7694494), (68, 3847247), (179, 1461524), (358, 730762), (716, 365381), (3043, 85972), (6086, 42986), (12172, 21493)]