142639838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:908

約数の個数: 32

約数和(自身を含む): 239100768

約数和(自身を除く): 96460930

約数列:

[1, 2, 11, 22, 61, 122, 157, 314, 671, 677, 1342, 1354, 1727, 3454, 7447, 9577, 14894, 19154, 41297, 82594, 105347, 106289, 210694, 212578, 454267, 908534, 1169179, 2338358, 6483629, 12967258, 71319919, 142639838]

約数ペア:

[(1, 142639838), (2, 71319919), (11, 12967258), (22, 6483629), (61, 2338358), (122, 1169179), (157, 908534), (314, 454267), (671, 212578), (677, 210694), (1342, 106289), (1354, 105347), (1727, 82594), (3454, 41297), (7447, 19154), (9577, 14894)]