31288348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 68992000

約数和(自身を除く): 37703652

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 1118, 1204, 1999, 2236, 3913, 3998, 7826, 7996, 13993, 15652, 25987, 27986, 51974, 55972, 85957, 103948, 171914, 181909, 343828, 363818, 601699, 727636, 1117441, 1203398, 2234882, 2406796, 4469764, 7822087, 15644174, 31288348]

約数ペア:

[(1, 31288348), (2, 15644174), (4, 7822087), (7, 4469764), (13, 2406796), (14, 2234882), (26, 1203398), (28, 1117441), (43, 727636), (52, 601699), (86, 363818), (91, 343828), (172, 181909), (182, 171914), (301, 103948), (364, 85957), (559, 55972), (602, 51974), (1118, 27986), (1204, 25987), (1999, 15652), (2236, 13993), (3913, 7996), (3998, 7826)]