399478336

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:731

約数の個数: 56

約数和(自身を含む): 809061120

約数和(自身を除く): 409582784

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 157, 166, 314, 332, 479, 628, 664, 958, 1256, 1328, 1916, 2512, 2656, 3832, 5024, 5312, 7664, 10048, 13031, 15328, 26062, 30656, 39757, 52124, 75203, 79514, 104248, 150406, 159028, 208496, 300812, 318056, 416992, 601624, 636112, 833984, 1203248, 1272224, 2406496, 2544448, 4812992, 6241849, 12483698, 24967396, 49934792, 99869584, 199739168, 399478336]

約数ペア:

[(1, 399478336), (2, 199739168), (4, 99869584), (8, 49934792), (16, 24967396), (32, 12483698), (64, 6241849), (83, 4812992), (157, 2544448), (166, 2406496), (314, 1272224), (332, 1203248), (479, 833984), (628, 636112), (664, 601624), (958, 416992), (1256, 318056), (1328, 300812), (1916, 208496), (2512, 159028), (2656, 150406), (3832, 104248), (5024, 79514), (5312, 75203), (7664, 52124), (10048, 39757), (13031, 30656), (15328, 26062)]