51789388

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 106444800

約数和(自身を除く): 54655412

約数列:

[1, 2, 4, 7, 14, 28, 71, 109, 142, 218, 239, 284, 436, 478, 497, 763, 956, 994, 1526, 1673, 1988, 3052, 3346, 6692, 7739, 15478, 16969, 26051, 30956, 33938, 52102, 54173, 67876, 104204, 108346, 118783, 182357, 216692, 237566, 364714, 475132, 729428, 1849621, 3699242, 7398484, 12947347, 25894694, 51789388]

約数ペア:

[(1, 51789388), (2, 25894694), (4, 12947347), (7, 7398484), (14, 3699242), (28, 1849621), (71, 729428), (109, 475132), (142, 364714), (218, 237566), (239, 216692), (284, 182357), (436, 118783), (478, 108346), (497, 104204), (763, 67876), (956, 54173), (994, 52102), (1526, 33938), (1673, 30956), (1988, 26051), (3052, 16969), (3346, 15478), (6692, 7739)]