131326412

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{3343}}^1$

素因数の和:3438

約数の個数: 48

約数和(自身を含む): 278648832

約数和(自身を除く): 147322420

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 92, 122, 161, 244, 322, 427, 644, 854, 1403, 1708, 2806, 3343, 5612, 6686, 9821, 13372, 19642, 23401, 39284, 46802, 76889, 93604, 153778, 203923, 307556, 407846, 538223, 815692, 1076446, 1427461, 2152892, 2854922, 4690229, 5709844, 9380458, 18760916, 32831603, 65663206, 131326412]

約数ペア:

[(1, 131326412), (2, 65663206), (4, 32831603), (7, 18760916), (14, 9380458), (23, 5709844), (28, 4690229), (46, 2854922), (61, 2152892), (92, 1427461), (122, 1076446), (161, 815692), (244, 538223), (322, 407846), (427, 307556), (644, 203923), (854, 153778), (1403, 93604), (1708, 76889), (2806, 46802), (3343, 39284), (5612, 23401), (6686, 19642), (9821, 13372)]