254676656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 554631168

約数和(自身を除く): 299954512

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 127, 208, 248, 254, 311, 403, 496, 508, 622, 806, 1016, 1244, 1612, 1651, 2032, 2488, 3224, 3302, 3937, 4043, 4976, 6448, 6604, 7874, 8086, 9641, 13208, 15748, 16172, 19282, 26416, 31496, 32344, 38564, 39497, 51181, 62992, 64688, 77128, 78994, 102362, 125333, 154256, 157988, 204724, 250666, 315976, 409448, 501332, 513461, 631952, 818896, 1002664, 1026922, 1224407, 2005328, 2053844, 2448814, 4107688, 4897628, 8215376, 9795256, 15917291, 19590512, 31834582, 63669164, 127338328, 254676656]

約数ペア:

[(1, 254676656), (2, 127338328), (4, 63669164), (8, 31834582), (13, 19590512), (16, 15917291), (26, 9795256), (31, 8215376), (52, 4897628), (62, 4107688), (104, 2448814), (124, 2053844), (127, 2005328), (208, 1224407), (248, 1026922), (254, 1002664), (311, 818896), (403, 631952), (496, 513461), (508, 501332), (622, 409448), (806, 315976), (1016, 250666), (1244, 204724), (1612, 157988), (1651, 154256), (2032, 125333), (2488, 102362), (3224, 78994), (3302, 77128), (3937, 64688), (4043, 62992), (4976, 51181), (6448, 39497), (6604, 38564), (7874, 32344), (8086, 31496), (9641, 26416), (13208, 19282), (15748, 16172)]