131427478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{673}}^1$

素因数の和:761

約数の個数: 64

約数和(自身を含む): 258168960

約数和(自身を除く): 126741482

約数列:

[1, 2, 7, 13, 14, 26, 29, 37, 58, 74, 91, 182, 203, 259, 377, 406, 481, 518, 673, 754, 962, 1073, 1346, 2146, 2639, 3367, 4711, 5278, 6734, 7511, 8749, 9422, 13949, 15022, 17498, 19517, 24901, 27898, 39034, 49802, 61243, 97643, 122486, 136619, 174307, 195286, 253721, 273238, 323713, 348614, 507442, 647426, 722129, 1444258, 1776047, 2265991, 3552094, 4531982, 5054903, 9387677, 10109806, 18775354, 65713739, 131427478]

約数ペア:

[(1, 131427478), (2, 65713739), (7, 18775354), (13, 10109806), (14, 9387677), (26, 5054903), (29, 4531982), (37, 3552094), (58, 2265991), (74, 1776047), (91, 1444258), (182, 722129), (203, 647426), (259, 507442), (377, 348614), (406, 323713), (481, 273238), (518, 253721), (673, 195286), (754, 174307), (962, 136619), (1073, 122486), (1346, 97643), (2146, 61243), (2639, 49802), (3367, 39034), (4711, 27898), (5278, 24901), (6734, 19517), (7511, 17498), (8749, 15022), (9422, 13949)]