278057728

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{6427}}^1$

素因数の和:6469

約数の個数: 54

約数和(自身を含む): 601101564

約数和(自身を除く): 323043836

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 5408, 6427, 10816, 12854, 21632, 25708, 43264, 51416, 83551, 102832, 167102, 205664, 334204, 411328, 668408, 822656, 1086163, 1336816, 1645312, 2172326, 2673632, 4344652, 5347264, 8689304, 10694528, 17378608, 21389056, 34757216, 69514432, 139028864, 278057728]

約数ペア:

[(1, 278057728), (2, 139028864), (4, 69514432), (8, 34757216), (13, 21389056), (16, 17378608), (26, 10694528), (32, 8689304), (52, 5347264), (64, 4344652), (104, 2673632), (128, 2172326), (169, 1645312), (208, 1336816), (256, 1086163), (338, 822656), (416, 668408), (676, 411328), (832, 334204), (1352, 205664), (1664, 167102), (2704, 102832), (3328, 83551), (5408, 51416), (6427, 43264), (10816, 25708), (12854, 21632)]