15665416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 33707520

約数和(自身を除く): 18042104

約数列:

[1, 2, 4, 8, 13, 26, 31, 43, 52, 62, 86, 104, 113, 124, 172, 226, 248, 344, 403, 452, 559, 806, 904, 1118, 1333, 1469, 1612, 2236, 2666, 2938, 3224, 3503, 4472, 4859, 5332, 5876, 7006, 9718, 10664, 11752, 14012, 17329, 19436, 28024, 34658, 38872, 45539, 63167, 69316, 91078, 126334, 138632, 150629, 182156, 252668, 301258, 364312, 505336, 602516, 1205032, 1958177, 3916354, 7832708, 15665416]

約数ペア:

[(1, 15665416), (2, 7832708), (4, 3916354), (8, 1958177), (13, 1205032), (26, 602516), (31, 505336), (43, 364312), (52, 301258), (62, 252668), (86, 182156), (104, 150629), (113, 138632), (124, 126334), (172, 91078), (226, 69316), (248, 63167), (344, 45539), (403, 38872), (452, 34658), (559, 28024), (806, 19436), (904, 17329), (1118, 14012), (1333, 11752), (1469, 10664), (1612, 9718), (2236, 7006), (2666, 5876), (2938, 5332), (3224, 4859), (3503, 4472)]