156487814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 294838272

約数和(自身を除く): 138350458

約数列:

[1, 2, 7, 14, 23, 31, 46, 61, 62, 122, 161, 217, 257, 322, 427, 434, 514, 713, 854, 1403, 1426, 1799, 1891, 2806, 3598, 3782, 4991, 5911, 7967, 9821, 9982, 11822, 13237, 15677, 15934, 19642, 26474, 31354, 41377, 43493, 55769, 82754, 86986, 109739, 111538, 183241, 219478, 304451, 360571, 366482, 485987, 608902, 721142, 971974, 1282687, 2523997, 2565374, 3401909, 5047994, 6803818, 11177701, 22355402, 78243907, 156487814]

約数ペア:

[(1, 156487814), (2, 78243907), (7, 22355402), (14, 11177701), (23, 6803818), (31, 5047994), (46, 3401909), (61, 2565374), (62, 2523997), (122, 1282687), (161, 971974), (217, 721142), (257, 608902), (322, 485987), (427, 366482), (434, 360571), (514, 304451), (713, 219478), (854, 183241), (1403, 111538), (1426, 109739), (1799, 86986), (1891, 82754), (2806, 55769), (3598, 43493), (3782, 41377), (4991, 31354), (5911, 26474), (7967, 19642), (9821, 15934), (9982, 15677), (11822, 13237)]