131640208

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61861}}^1$

素因数の和:61895

約数の個数: 40

約数和(自身を含む): 306835520

約数和(自身を除く): 175195312

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 61861, 123722, 247444, 433027, 494888, 866054, 989776, 1175359, 1732108, 2350718, 3464216, 4701436, 6928432, 8227513, 9402872, 16455026, 18805744, 32910052, 65820104, 131640208]

約数ペア:

[(1, 131640208), (2, 65820104), (4, 32910052), (7, 18805744), (8, 16455026), (14, 9402872), (16, 8227513), (19, 6928432), (28, 4701436), (38, 3464216), (56, 2350718), (76, 1732108), (112, 1175359), (133, 989776), (152, 866054), (266, 494888), (304, 433027), (532, 247444), (1064, 123722), (2128, 61861)]