31330832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 69662208

約数和(自身を除く): 38331376

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 52, 62, 86, 104, 113, 124, 172, 208, 226, 248, 344, 403, 452, 496, 559, 688, 806, 904, 1118, 1333, 1469, 1612, 1808, 2236, 2666, 2938, 3224, 3503, 4472, 4859, 5332, 5876, 6448, 7006, 8944, 9718, 10664, 11752, 14012, 17329, 19436, 21328, 23504, 28024, 34658, 38872, 45539, 56048, 63167, 69316, 77744, 91078, 126334, 138632, 150629, 182156, 252668, 277264, 301258, 364312, 505336, 602516, 728624, 1010672, 1205032, 1958177, 2410064, 3916354, 7832708, 15665416, 31330832]

約数ペア:

[(1, 31330832), (2, 15665416), (4, 7832708), (8, 3916354), (13, 2410064), (16, 1958177), (26, 1205032), (31, 1010672), (43, 728624), (52, 602516), (62, 505336), (86, 364312), (104, 301258), (113, 277264), (124, 252668), (172, 182156), (208, 150629), (226, 138632), (248, 126334), (344, 91078), (403, 77744), (452, 69316), (496, 63167), (559, 56048), (688, 45539), (806, 38872), (904, 34658), (1118, 28024), (1333, 23504), (1469, 21328), (1612, 19436), (1808, 17329), (2236, 14012), (2666, 11752), (2938, 10664), (3224, 9718), (3503, 8944), (4472, 7006), (4859, 6448), (5332, 5876)]