71624476

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 160876800

約数和(自身を除く): 89252324

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 139, 154, 196, 239, 278, 308, 478, 539, 556, 956, 973, 1078, 1529, 1673, 1946, 2156, 2629, 3058, 3346, 3892, 5258, 6116, 6692, 6811, 10516, 10703, 11711, 13622, 18403, 21406, 23422, 27244, 33221, 36806, 42812, 46844, 66442, 73612, 74921, 128821, 132884, 149842, 232547, 257642, 299684, 365431, 465094, 515284, 730862, 930188, 1461724, 1627829, 2558017, 3255658, 5116034, 6511316, 10232068, 17906119, 35812238, 71624476]

約数ペア:

[(1, 71624476), (2, 35812238), (4, 17906119), (7, 10232068), (11, 6511316), (14, 5116034), (22, 3255658), (28, 2558017), (44, 1627829), (49, 1461724), (77, 930188), (98, 730862), (139, 515284), (154, 465094), (196, 365431), (239, 299684), (278, 257642), (308, 232547), (478, 149842), (539, 132884), (556, 128821), (956, 74921), (973, 73612), (1078, 66442), (1529, 46844), (1673, 42812), (1946, 36806), (2156, 33221), (2629, 27244), (3058, 23422), (3346, 21406), (3892, 18403), (5258, 13622), (6116, 11711), (6692, 10703), (6811, 10516)]