2646588

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{643}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 7212800

約数和(自身を除く): 4566212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 643, 686, 1029, 1286, 1372, 1929, 2058, 2572, 3858, 4116, 4501, 7716, 9002, 13503, 18004, 27006, 31507, 54012, 63014, 94521, 126028, 189042, 220549, 378084, 441098, 661647, 882196, 1323294, 2646588]

約数ペア:

[(1, 2646588), (2, 1323294), (3, 882196), (4, 661647), (6, 441098), (7, 378084), (12, 220549), (14, 189042), (21, 126028), (28, 94521), (42, 63014), (49, 54012), (84, 31507), (98, 27006), (147, 18004), (196, 13503), (294, 9002), (343, 7716), (588, 4501), (643, 4116), (686, 3858), (1029, 2572), (1286, 2058), (1372, 1929)]