25243372

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2062

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 31204628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1804, 1999, 3157, 3998, 6314, 7996, 12628, 13993, 21989, 27986, 43978, 55972, 81959, 87956, 153923, 163918, 307846, 327836, 573713, 615692, 901549, 1147426, 1803098, 2294852, 3606196, 6310843, 12621686, 25243372]

約数ペア:

[(1, 25243372), (2, 12621686), (4, 6310843), (7, 3606196), (11, 2294852), (14, 1803098), (22, 1147426), (28, 901549), (41, 615692), (44, 573713), (77, 327836), (82, 307846), (154, 163918), (164, 153923), (287, 87956), (308, 81959), (451, 55972), (574, 43978), (902, 27986), (1148, 21989), (1804, 13993), (1999, 12628), (3157, 7996), (3998, 6314)]