15983988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 40279680

約数和(自身を除く): 24295692

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 1997, 2001, 2668, 3994, 4002, 5991, 7988, 8004, 11982, 23964, 45931, 57913, 91862, 115826, 137793, 173739, 183724, 231652, 275586, 347478, 551172, 694956, 1331999, 2663998, 3995997, 5327996, 7991994, 15983988]

約数ペア:

[(1, 15983988), (2, 7991994), (3, 5327996), (4, 3995997), (6, 2663998), (12, 1331999), (23, 694956), (29, 551172), (46, 347478), (58, 275586), (69, 231652), (87, 183724), (92, 173739), (116, 137793), (138, 115826), (174, 91862), (276, 57913), (348, 45931), (667, 23964), (1334, 11982), (1997, 8004), (2001, 7988), (2668, 5991), (3994, 4002)]