81651668

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{929}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 169572480

約数和(自身を除く): 87920812

約数列:

[1, 2, 4, 7, 14, 28, 43, 73, 86, 146, 172, 292, 301, 511, 602, 929, 1022, 1204, 1858, 2044, 3139, 3716, 6278, 6503, 12556, 13006, 21973, 26012, 39947, 43946, 67817, 79894, 87892, 135634, 159788, 271268, 279629, 474719, 559258, 949438, 1118516, 1898876, 2916131, 5832262, 11664524, 20412917, 40825834, 81651668]

約数ペア:

[(1, 81651668), (2, 40825834), (4, 20412917), (7, 11664524), (14, 5832262), (28, 2916131), (43, 1898876), (73, 1118516), (86, 949438), (146, 559258), (172, 474719), (292, 279629), (301, 271268), (511, 159788), (602, 135634), (929, 87892), (1022, 79894), (1204, 67817), (1858, 43946), (2044, 39947), (3139, 26012), (3716, 21973), (6278, 13006), (6503, 12556)]