664761208

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{106669}}^1$

素因数の和:106735

約数の個数: 32

約数和(自身を含む): 1344042000

約数和(自身を除く): 679280792

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 152, 164, 328, 779, 1558, 3116, 6232, 106669, 213338, 426676, 853352, 2026711, 4053422, 4373429, 8106844, 8746858, 16213688, 17493716, 34987432, 83095151, 166190302, 332380604, 664761208]

約数ペア:

[(1, 664761208), (2, 332380604), (4, 166190302), (8, 83095151), (19, 34987432), (38, 17493716), (41, 16213688), (76, 8746858), (82, 8106844), (152, 4373429), (164, 4053422), (328, 2026711), (779, 853352), (1558, 426676), (3116, 213338), (6232, 106669)]