978424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 1990800

約数和(自身を除く): 1012376

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 157, 164, 314, 328, 628, 779, 1256, 1558, 2983, 3116, 5966, 6232, 6437, 11932, 12874, 23864, 25748, 51496, 122303, 244606, 489212, 978424]

約数ペア:

[(1, 978424), (2, 489212), (4, 244606), (8, 122303), (19, 51496), (38, 25748), (41, 23864), (76, 12874), (82, 11932), (152, 6437), (157, 6232), (164, 5966), (314, 3116), (328, 2983), (628, 1558), (779, 1256)]