263420978

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 450982080

約数和(自身を除く): 187561102

約数列:

[1, 2, 19, 23, 29, 38, 46, 58, 361, 437, 547, 551, 667, 722, 874, 1094, 1102, 1334, 8303, 10393, 10469, 12581, 12673, 15863, 16606, 20786, 20938, 25162, 25346, 31726, 197467, 239039, 240787, 301397, 364849, 394934, 478078, 481574, 602794, 729698, 4541741, 5726543, 6932131, 9083482, 11453086, 13864262, 131710489, 263420978]

約数ペア:

[(1, 263420978), (2, 131710489), (19, 13864262), (23, 11453086), (29, 9083482), (38, 6932131), (46, 5726543), (58, 4541741), (361, 729698), (437, 602794), (547, 481574), (551, 478078), (667, 394934), (722, 364849), (874, 301397), (1094, 240787), (1102, 239039), (1334, 197467), (8303, 31726), (10393, 25346), (10469, 25162), (12581, 20938), (12673, 20786), (15863, 16606)]