251013890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{612229}}^1$

素因数の和:612277

約数の個数: 16

約数和(自身を含む): 462845880

約数和(自身を除く): 211831990

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 612229, 1224458, 3061145, 6122290, 25101389, 50202778, 125506945, 251013890]

約数ペア:

[(1, 251013890), (2, 125506945), (5, 50202778), (10, 25101389), (41, 6122290), (82, 3061145), (205, 1224458), (410, 612229)]