138778354

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{769}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 245266560

約数和(自身を除く): 106488206

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 631, 769, 1262, 1538, 6941, 8203, 8459, 9997, 13882, 16406, 16918, 19994, 90233, 109967, 180466, 219934, 485239, 970478, 5337629, 6308107, 10675258, 12616214, 69389177, 138778354]

約数ペア:

[(1, 138778354), (2, 69389177), (11, 12616214), (13, 10675258), (22, 6308107), (26, 5337629), (143, 970478), (286, 485239), (631, 219934), (769, 180466), (1262, 109967), (1538, 90233), (6941, 19994), (8203, 16918), (8459, 16406), (9997, 13882)]