123221488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{599}}^1$

素因数の和:686

約数の個数: 80

約数和(自身を含む): 274982400

約数和(自身を除く): 151760912

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 43, 46, 52, 86, 92, 104, 172, 184, 208, 299, 344, 368, 559, 598, 599, 688, 989, 1118, 1196, 1198, 1978, 2236, 2392, 2396, 3956, 4472, 4784, 4792, 7787, 7912, 8944, 9584, 12857, 13777, 15574, 15824, 25714, 25757, 27554, 31148, 51428, 51514, 55108, 62296, 102856, 103028, 110216, 124592, 179101, 205712, 206056, 220432, 334841, 358202, 412112, 592411, 669682, 716404, 1184822, 1339364, 1432808, 2369644, 2678728, 2865616, 4739288, 5357456, 7701343, 9478576, 15402686, 30805372, 61610744, 123221488]

約数ペア:

[(1, 123221488), (2, 61610744), (4, 30805372), (8, 15402686), (13, 9478576), (16, 7701343), (23, 5357456), (26, 4739288), (43, 2865616), (46, 2678728), (52, 2369644), (86, 1432808), (92, 1339364), (104, 1184822), (172, 716404), (184, 669682), (208, 592411), (299, 412112), (344, 358202), (368, 334841), (559, 220432), (598, 206056), (599, 205712), (688, 179101), (989, 124592), (1118, 110216), (1196, 103028), (1198, 102856), (1978, 62296), (2236, 55108), (2392, 51514), (2396, 51428), (3956, 31148), (4472, 27554), (4784, 25757), (4792, 25714), (7787, 15824), (7912, 15574), (8944, 13777), (9584, 12857)]