13778828

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 15251572

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 239, 284, 406, 478, 497, 812, 956, 994, 1673, 1988, 2059, 3346, 4118, 6692, 6931, 8236, 13862, 14413, 16969, 27724, 28826, 33938, 48517, 57652, 67876, 97034, 118783, 194068, 237566, 475132, 492101, 984202, 1968404, 3444707, 6889414, 13778828]

約数ペア:

[(1, 13778828), (2, 6889414), (4, 3444707), (7, 1968404), (14, 984202), (28, 492101), (29, 475132), (58, 237566), (71, 194068), (116, 118783), (142, 97034), (203, 67876), (239, 57652), (284, 48517), (406, 33938), (478, 28826), (497, 27724), (812, 16969), (956, 14413), (994, 13862), (1673, 8236), (1988, 6931), (2059, 6692), (3346, 4118)]