218369942

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{3109}}^1$

素因数の和:3320

約数の個数: 32

約数和(自身を含む): 389620800

約数和(自身を除く): 171250858

約数列:

[1, 2, 7, 14, 29, 58, 173, 203, 346, 406, 1211, 2422, 3109, 5017, 6218, 10034, 21763, 35119, 43526, 70238, 90161, 180322, 537857, 631127, 1075714, 1262254, 3764999, 7529998, 15597853, 31195706, 109184971, 218369942]

約数ペア:

[(1, 218369942), (2, 109184971), (7, 31195706), (14, 15597853), (29, 7529998), (58, 3764999), (173, 1262254), (203, 1075714), (346, 631127), (406, 537857), (1211, 180322), (2422, 90161), (3109, 70238), (5017, 43526), (6218, 35119), (10034, 21763)]