861718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:180

約数の個数: 32

約数和(自身を含む): 1596672

約数和(自身を除く): 734954

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 131, 143, 253, 262, 286, 299, 506, 598, 1441, 1703, 2882, 3013, 3289, 3406, 6026, 6578, 18733, 33143, 37466, 39169, 66286, 78338, 430859, 861718]

約数ペア:

[(1, 861718), (2, 430859), (11, 78338), (13, 66286), (22, 39169), (23, 37466), (26, 33143), (46, 18733), (131, 6578), (143, 6026), (253, 3406), (262, 3289), (286, 3013), (299, 2882), (506, 1703), (598, 1441)]