221559478

素因数分解:

$2^1\times 7^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 80

約数和(自身を含む): 421494480

約数和(自身を除く): 199935002

約数列:

[1, 2, 7, 14, 29, 37, 43, 49, 58, 74, 86, 98, 203, 259, 301, 343, 406, 518, 602, 686, 1073, 1247, 1421, 1591, 1813, 2107, 2146, 2401, 2494, 2842, 3182, 3626, 4214, 4802, 7511, 8729, 9947, 11137, 12691, 14749, 15022, 17458, 19894, 22274, 25382, 29498, 46139, 52577, 61103, 69629, 77959, 88837, 92278, 103243, 105154, 122206, 139258, 155918, 177674, 206486, 322973, 368039, 427721, 545713, 645946, 736078, 855442, 1091426, 2260811, 2576273, 2994047, 3819991, 4521622, 5152546, 5988094, 7639982, 15825677, 31651354, 110779739, 221559478]

約数ペア:

[(1, 221559478), (2, 110779739), (7, 31651354), (14, 15825677), (29, 7639982), (37, 5988094), (43, 5152546), (49, 4521622), (58, 3819991), (74, 2994047), (86, 2576273), (98, 2260811), (203, 1091426), (259, 855442), (301, 736078), (343, 645946), (406, 545713), (518, 427721), (602, 368039), (686, 322973), (1073, 206486), (1247, 177674), (1421, 155918), (1591, 139258), (1813, 122206), (2107, 105154), (2146, 103243), (2401, 92278), (2494, 88837), (2842, 77959), (3182, 69629), (3626, 61103), (4214, 52577), (4802, 46139), (7511, 29498), (8729, 25382), (9947, 22274), (11137, 19894), (12691, 17458), (14749, 15022)]