664989828

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{863}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 1567157760

約数和(自身を除く): 902167932

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 409, 471, 628, 818, 863, 942, 1227, 1636, 1726, 1884, 2454, 2589, 3452, 4908, 5178, 10356, 64213, 128426, 135491, 192639, 256852, 270982, 352967, 385278, 406473, 541964, 705934, 770556, 812946, 1058901, 1411868, 1625892, 2117802, 4235604, 55415819, 110831638, 166247457, 221663276, 332494914, 664989828]

約数ペア:

[(1, 664989828), (2, 332494914), (3, 221663276), (4, 166247457), (6, 110831638), (12, 55415819), (157, 4235604), (314, 2117802), (409, 1625892), (471, 1411868), (628, 1058901), (818, 812946), (863, 770556), (942, 705934), (1227, 541964), (1636, 406473), (1726, 385278), (1884, 352967), (2454, 270982), (2589, 256852), (3452, 192639), (4908, 135491), (5178, 128426), (10356, 64213)]