28610738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:378

約数の個数: 32

約数和(自身を含む): 47885376

約数和(自身を除く): 19274638

約数列:

[1, 2, 13, 26, 43, 86, 157, 163, 314, 326, 559, 1118, 2041, 2119, 4082, 4238, 6751, 7009, 13502, 14018, 25591, 51182, 87763, 91117, 175526, 182234, 332683, 665366, 1100413, 2200826, 14305369, 28610738]

約数ペア:

[(1, 28610738), (2, 14305369), (13, 2200826), (26, 1100413), (43, 665366), (86, 332683), (157, 182234), (163, 175526), (314, 91117), (326, 87763), (559, 51182), (1118, 25591), (2041, 14018), (2119, 13502), (4082, 7009), (4238, 6751)]