81838408

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2237}}^1$

素因数の和:2529

約数の個数: 32

約数和(自身を含む): 163150200

約数和(自身を除く): 81311792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 269, 538, 1076, 2152, 2237, 4474, 4573, 8948, 9146, 17896, 18292, 36584, 38029, 76058, 152116, 304232, 601753, 1203506, 2407012, 4814024, 10229801, 20459602, 40919204, 81838408]

約数ペア:

[(1, 81838408), (2, 40919204), (4, 20459602), (8, 10229801), (17, 4814024), (34, 2407012), (68, 1203506), (136, 601753), (269, 304232), (538, 152116), (1076, 76058), (2152, 38029), (2237, 36584), (4474, 18292), (4573, 17896), (8948, 9146)]