65431548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:20003

約数の個数: 72

約数和(自身を含む): 203575008

約数和(自身を除く): 138143460

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 19973, 39946, 59919, 79892, 119838, 139811, 179757, 239676, 259649, 279622, 359514, 419433, 519298, 559244, 719028, 778947, 838866, 1038596, 1258299, 1557894, 1677732, 1817543, 2336841, 2516598, 3115788, 3635086, 4673682, 5033196, 5452629, 7270172, 9347364, 10905258, 16357887, 21810516, 32715774, 65431548]

約数ペア:

[(1, 65431548), (2, 32715774), (3, 21810516), (4, 16357887), (6, 10905258), (7, 9347364), (9, 7270172), (12, 5452629), (13, 5033196), (14, 4673682), (18, 3635086), (21, 3115788), (26, 2516598), (28, 2336841), (36, 1817543), (39, 1677732), (42, 1557894), (52, 1258299), (63, 1038596), (78, 838866), (84, 778947), (91, 719028), (117, 559244), (126, 519298), (156, 419433), (182, 359514), (234, 279622), (252, 259649), (273, 239676), (364, 179757), (468, 139811), (546, 119838), (819, 79892), (1092, 59919), (1638, 39946), (3276, 19973)]