31045828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 61871040

約数和(自身を除く): 30825212

約数列:

[1, 2, 4, 11, 22, 43, 44, 61, 86, 122, 172, 244, 269, 473, 538, 671, 946, 1076, 1342, 1892, 2623, 2684, 2959, 5246, 5918, 10492, 11567, 11836, 16409, 23134, 28853, 32818, 46268, 57706, 65636, 115412, 127237, 180499, 254474, 360998, 508948, 705587, 721996, 1411174, 2822348, 7761457, 15522914, 31045828]

約数ペア:

[(1, 31045828), (2, 15522914), (4, 7761457), (11, 2822348), (22, 1411174), (43, 721996), (44, 705587), (61, 508948), (86, 360998), (122, 254474), (172, 180499), (244, 127237), (269, 115412), (473, 65636), (538, 57706), (671, 46268), (946, 32818), (1076, 28853), (1342, 23134), (1892, 16409), (2623, 11836), (2684, 11567), (2959, 10492), (5246, 5918)]