647007984

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{641873}}^1$

素因数の和:641894

約数の個数: 60

約数和(自身を含む): 2069401776

約数和(自身を除く): 1422393792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 504, 1008, 641873, 1283746, 1925619, 2567492, 3851238, 4493111, 5134984, 5776857, 7702476, 8986222, 10269968, 11553714, 13479333, 15404952, 17972444, 23107428, 26958666, 30809904, 35944888, 40437999, 46214856, 53917332, 71889776, 80875998, 92429712, 107834664, 161751996, 215669328, 323503992, 647007984]

約数ペア:

[(1, 647007984), (2, 323503992), (3, 215669328), (4, 161751996), (6, 107834664), (7, 92429712), (8, 80875998), (9, 71889776), (12, 53917332), (14, 46214856), (16, 40437999), (18, 35944888), (21, 30809904), (24, 26958666), (28, 23107428), (36, 17972444), (42, 15404952), (48, 13479333), (56, 11553714), (63, 10269968), (72, 8986222), (84, 7702476), (112, 5776857), (126, 5134984), (144, 4493111), (168, 3851238), (252, 2567492), (336, 1925619), (504, 1283746), (1008, 641873)]