489806716

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1663}}^1$

素因数の和:1898

約数の個数: 48

約数和(自身を含む): 1001168896

約数和(自身を除く): 511362180

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 157, 268, 314, 469, 628, 938, 1099, 1663, 1876, 2198, 3326, 4396, 6652, 10519, 11641, 21038, 23282, 42076, 46564, 73633, 111421, 147266, 222842, 261091, 294532, 445684, 522182, 779947, 1044364, 1559894, 1827637, 3119788, 3655274, 7310548, 17493097, 34986194, 69972388, 122451679, 244903358, 489806716]

約数ペア:

[(1, 489806716), (2, 244903358), (4, 122451679), (7, 69972388), (14, 34986194), (28, 17493097), (67, 7310548), (134, 3655274), (157, 3119788), (268, 1827637), (314, 1559894), (469, 1044364), (628, 779947), (938, 522182), (1099, 445684), (1663, 294532), (1876, 261091), (2198, 222842), (3326, 147266), (4396, 111421), (6652, 73633), (10519, 46564), (11641, 42076), (21038, 23282)]