1938275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:143

約数の個数: 24

約数和(自身を含む): 2583168

約数和(自身を除く): 644893

約数列:

[1, 5, 25, 31, 41, 61, 155, 205, 305, 775, 1025, 1271, 1525, 1891, 2501, 6355, 9455, 12505, 31775, 47275, 62525, 77531, 387655, 1938275]

約数ペア:

[(1, 1938275), (5, 387655), (25, 77531), (31, 62525), (41, 47275), (61, 31775), (155, 12505), (205, 9455), (305, 6355), (775, 2501), (1025, 1891), (1271, 1525)]