289315156

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{3079}}^1$

素因数の和:3248

約数の個数: 36

約数和(自身を含む): 552367200

約数和(自身を除く): 263052044

約数列:

[1, 2, 4, 13, 26, 52, 139, 169, 278, 338, 556, 676, 1807, 3079, 3614, 6158, 7228, 12316, 23491, 40027, 46982, 80054, 93964, 160108, 427981, 520351, 855962, 1040702, 1711924, 2081404, 5563753, 11127506, 22255012, 72328789, 144657578, 289315156]

約数ペア:

[(1, 289315156), (2, 144657578), (4, 72328789), (13, 22255012), (26, 11127506), (52, 5563753), (139, 2081404), (169, 1711924), (278, 1040702), (338, 855962), (556, 520351), (676, 427981), (1807, 160108), (3079, 93964), (3614, 80054), (6158, 46982), (7228, 40027), (12316, 23491)]