688671004

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1319}}^1$

素因数の和:2002

約数の個数: 48

約数和(自身を含む): 1428134400

約数和(自身を除く): 739463396

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 643, 812, 1286, 1319, 2572, 2638, 4501, 5276, 9002, 9233, 18004, 18466, 18647, 36932, 37294, 38251, 74588, 76502, 130529, 153004, 261058, 267757, 522116, 535514, 848117, 1071028, 1696234, 3392468, 5936819, 11873638, 23747276, 24595393, 49190786, 98381572, 172167751, 344335502, 688671004]

約数ペア:

[(1, 688671004), (2, 344335502), (4, 172167751), (7, 98381572), (14, 49190786), (28, 24595393), (29, 23747276), (58, 11873638), (116, 5936819), (203, 3392468), (406, 1696234), (643, 1071028), (812, 848117), (1286, 535514), (1319, 522116), (2572, 267757), (2638, 261058), (4501, 153004), (5276, 130529), (9002, 76502), (9233, 74588), (18004, 38251), (18466, 37294), (18647, 36932)]