256741008

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{172541}}^1$

素因数の和:172583

約数の個数: 40

約数和(自身を含む): 684646656

約数和(自身を除く): 427905648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 172541, 345082, 517623, 690164, 1035246, 1380328, 2070492, 2760656, 4140984, 5348771, 8281968, 10697542, 16046313, 21395084, 32092626, 42790168, 64185252, 85580336, 128370504, 256741008]

約数ペア:

[(1, 256741008), (2, 128370504), (3, 85580336), (4, 64185252), (6, 42790168), (8, 32092626), (12, 21395084), (16, 16046313), (24, 10697542), (31, 8281968), (48, 5348771), (62, 4140984), (93, 2760656), (124, 2070492), (186, 1380328), (248, 1035246), (372, 690164), (496, 517623), (744, 345082), (1488, 172541)]