28520954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:195

約数の個数: 64

約数和(自身を含む): 56263680

約数和(自身を除く): 27742726

約数列:

[1, 2, 7, 11, 14, 22, 43, 59, 73, 77, 86, 118, 146, 154, 301, 413, 473, 511, 602, 649, 803, 826, 946, 1022, 1298, 1606, 2537, 3139, 3311, 4307, 4543, 5074, 5621, 6278, 6622, 8614, 9086, 11242, 17759, 21973, 27907, 30149, 34529, 35518, 43946, 47377, 55814, 60298, 69058, 94754, 185201, 195349, 241703, 331639, 370402, 390698, 483406, 663278, 1296407, 2037211, 2592814, 4074422, 14260477, 28520954]

約数ペア:

[(1, 28520954), (2, 14260477), (7, 4074422), (11, 2592814), (14, 2037211), (22, 1296407), (43, 663278), (59, 483406), (73, 390698), (77, 370402), (86, 331639), (118, 241703), (146, 195349), (154, 185201), (301, 94754), (413, 69058), (473, 60298), (511, 55814), (602, 47377), (649, 43946), (803, 35518), (826, 34529), (946, 30149), (1022, 27907), (1298, 21973), (1606, 17759), (2537, 11242), (3139, 9086), (3311, 8614), (4307, 6622), (4543, 6278), (5074, 5621)]