218640982

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{2029}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 385862400

約数和(自身を除く): 167221418

約数列:

[1, 2, 7, 14, 43, 86, 179, 301, 358, 602, 1253, 2029, 2506, 4058, 7697, 14203, 15394, 28406, 53879, 87247, 107758, 174494, 363191, 610729, 726382, 1221458, 2542337, 5084674, 15617213, 31234426, 109320491, 218640982]

約数ペア:

[(1, 218640982), (2, 109320491), (7, 31234426), (14, 15617213), (43, 5084674), (86, 2542337), (179, 1221458), (301, 726382), (358, 610729), (602, 363191), (1253, 174494), (2029, 107758), (2506, 87247), (4058, 53879), (7697, 28406), (14203, 15394)]