79898868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2281}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 232581440

約数和(自身を除く): 152682572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1946, 2281, 2502, 2919, 3892, 4562, 5004, 5838, 6843, 8757, 9124, 11676, 13686, 15967, 17514, 20529, 27372, 31934, 35028, 41058, 47901, 63868, 82116, 95802, 143703, 191604, 287406, 317059, 574812, 634118, 951177, 1268236, 1902354, 2219413, 2853531, 3804708, 4438826, 5707062, 6658239, 8877652, 11414124, 13316478, 19974717, 26632956, 39949434, 79898868]

約数ペア:

[(1, 79898868), (2, 39949434), (3, 26632956), (4, 19974717), (6, 13316478), (7, 11414124), (9, 8877652), (12, 6658239), (14, 5707062), (18, 4438826), (21, 3804708), (28, 2853531), (36, 2219413), (42, 1902354), (63, 1268236), (84, 951177), (126, 634118), (139, 574812), (252, 317059), (278, 287406), (417, 191604), (556, 143703), (834, 95802), (973, 82116), (1251, 63868), (1668, 47901), (1946, 41058), (2281, 35028), (2502, 31934), (2919, 27372), (3892, 20529), (4562, 17514), (5004, 15967), (5838, 13686), (6843, 11676), (8757, 9124)]