231020556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 635265792

約数和(自身を除く): 404245236

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 31, 39, 46, 52, 62, 67, 69, 78, 92, 93, 124, 134, 138, 156, 186, 201, 268, 276, 299, 372, 402, 403, 598, 713, 804, 806, 871, 897, 961, 1196, 1209, 1426, 1541, 1612, 1742, 1794, 1922, 2077, 2139, 2418, 2613, 2852, 2883, 3082, 3484, 3588, 3844, 4154, 4278, 4623, 4836, 5226, 5766, 6164, 6231, 8308, 8556, 9246, 9269, 10452, 11532, 12462, 12493, 18492, 18538, 20033, 22103, 24924, 24986, 27001, 27807, 37076, 37479, 40066, 44206, 47771, 49972, 54002, 55614, 60099, 64387, 66309, 74958, 80132, 81003, 88412, 95542, 108004, 111228, 120198, 128774, 132618, 143313, 149916, 162006, 191084, 193161, 240396, 257548, 265236, 286626, 287339, 324012, 386322, 573252, 574678, 621023, 772644, 837031, 862017, 1149356, 1242046, 1480901, 1674062, 1724034, 1863069, 2484092, 2511093, 2961802, 3348124, 3448068, 3726138, 4442703, 5022186, 5923604, 7452276, 8885406, 10044372, 17770812, 19251713, 38503426, 57755139, 77006852, 115510278, 231020556]

約数ペア:

[(1, 231020556), (2, 115510278), (3, 77006852), (4, 57755139), (6, 38503426), (12, 19251713), (13, 17770812), (23, 10044372), (26, 8885406), (31, 7452276), (39, 5923604), (46, 5022186), (52, 4442703), (62, 3726138), (67, 3448068), (69, 3348124), (78, 2961802), (92, 2511093), (93, 2484092), (124, 1863069), (134, 1724034), (138, 1674062), (156, 1480901), (186, 1242046), (201, 1149356), (268, 862017), (276, 837031), (299, 772644), (372, 621023), (402, 574678), (403, 573252), (598, 386322), (713, 324012), (804, 287339), (806, 286626), (871, 265236), (897, 257548), (961, 240396), (1196, 193161), (1209, 191084), (1426, 162006), (1541, 149916), (1612, 143313), (1742, 132618), (1794, 128774), (1922, 120198), (2077, 111228), (2139, 108004), (2418, 95542), (2613, 88412), (2852, 81003), (2883, 80132), (3082, 74958), (3484, 66309), (3588, 64387), (3844, 60099), (4154, 55614), (4278, 54002), (4623, 49972), (4836, 47771), (5226, 44206), (5766, 40066), (6164, 37479), (6231, 37076), (8308, 27807), (8556, 27001), (9246, 24986), (9269, 24924), (10452, 22103), (11532, 20033), (12462, 18538), (12493, 18492)]