640147218

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{51817}}^1$

素因数の和:51922

約数の個数: 32

約数和(自身を含む): 1343122560

約数和(自身を除く): 702975342

約数列:

[1, 2, 3, 6, 29, 58, 71, 87, 142, 174, 213, 426, 2059, 4118, 6177, 12354, 51817, 103634, 155451, 310902, 1502693, 3005386, 3679007, 4508079, 7358014, 9016158, 11037021, 22074042, 106691203, 213382406, 320073609, 640147218]

約数ペア:

[(1, 640147218), (2, 320073609), (3, 213382406), (6, 106691203), (29, 22074042), (58, 11037021), (71, 9016158), (87, 7358014), (142, 4508079), (174, 3679007), (213, 3005386), (426, 1502693), (2059, 310902), (4118, 155451), (6177, 103634), (12354, 51817)]