131531312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43961}}^1$

素因数の和:43997

約数の個数: 40

約数和(自身を含む): 294369552

約数和(自身を除く): 162838240

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 1496, 2992, 43961, 87922, 175844, 351688, 483571, 703376, 747337, 967142, 1494674, 1934284, 2989348, 3868568, 5978696, 7737136, 8220707, 11957392, 16441414, 32882828, 65765656, 131531312]

約数ペア:

[(1, 131531312), (2, 65765656), (4, 32882828), (8, 16441414), (11, 11957392), (16, 8220707), (17, 7737136), (22, 5978696), (34, 3868568), (44, 2989348), (68, 1934284), (88, 1494674), (136, 967142), (176, 747337), (187, 703376), (272, 483571), (374, 351688), (748, 175844), (1496, 87922), (2992, 43961)]