28071972

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^2\times {\mathrm{353}}^1$

素因数の和:457

約数の個数: 54

約数和(自身を含む): 72706998

約数和(自身を除く): 44635026

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 353, 423, 564, 706, 846, 1059, 1412, 1692, 2118, 2209, 3177, 4236, 4418, 6354, 6627, 8836, 12708, 13254, 16591, 19881, 26508, 33182, 39762, 49773, 66364, 79524, 99546, 149319, 199092, 298638, 597276, 779777, 1559554, 2339331, 3119108, 4678662, 7017993, 9357324, 14035986, 28071972]

約数ペア:

[(1, 28071972), (2, 14035986), (3, 9357324), (4, 7017993), (6, 4678662), (9, 3119108), (12, 2339331), (18, 1559554), (36, 779777), (47, 597276), (94, 298638), (141, 199092), (188, 149319), (282, 99546), (353, 79524), (423, 66364), (564, 49773), (706, 39762), (846, 33182), (1059, 26508), (1412, 19881), (1692, 16591), (2118, 13254), (2209, 12708), (3177, 8836), (4236, 6627), (4418, 6354)]