51381228

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{63907}}^1$

素因数の和:63981

約数の個数: 24

約数和(自身を含む): 121680832

約数和(自身を除く): 70299604

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 63907, 127814, 191721, 255628, 383442, 766884, 4281769, 8563538, 12845307, 17127076, 25690614, 51381228]

約数ペア:

[(1, 51381228), (2, 25690614), (3, 17127076), (4, 12845307), (6, 8563538), (12, 4281769), (67, 766884), (134, 383442), (201, 255628), (268, 191721), (402, 127814), (804, 63907)]