2021344

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 4424112

約数和(自身を除く): 2402768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 113, 172, 208, 226, 344, 416, 452, 559, 688, 904, 1118, 1376, 1469, 1808, 2236, 2938, 3616, 4472, 4859, 5876, 8944, 9718, 11752, 17888, 19436, 23504, 38872, 47008, 63167, 77744, 126334, 155488, 252668, 505336, 1010672, 2021344]

約数ペア:

[(1, 2021344), (2, 1010672), (4, 505336), (8, 252668), (13, 155488), (16, 126334), (26, 77744), (32, 63167), (43, 47008), (52, 38872), (86, 23504), (104, 19436), (113, 17888), (172, 11752), (208, 9718), (226, 8944), (344, 5876), (416, 4859), (452, 4472), (559, 3616), (688, 2938), (904, 2236), (1118, 1808), (1376, 1469)]