28481508

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1105

約数の個数: 72

約数和(自身を含む): 79724736

約数和(自身を除く): 51243228

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1013, 1278, 1562, 2026, 2343, 2556, 3039, 3124, 4052, 4686, 6078, 7029, 9117, 9372, 11143, 12156, 14058, 18234, 22286, 28116, 33429, 36468, 44572, 66858, 71923, 100287, 133716, 143846, 200574, 215769, 287692, 401148, 431538, 647307, 791153, 863076, 1294614, 1582306, 2373459, 2589228, 3164612, 4746918, 7120377, 9493836, 14240754, 28481508]

約数ペア:

[(1, 28481508), (2, 14240754), (3, 9493836), (4, 7120377), (6, 4746918), (9, 3164612), (11, 2589228), (12, 2373459), (18, 1582306), (22, 1294614), (33, 863076), (36, 791153), (44, 647307), (66, 431538), (71, 401148), (99, 287692), (132, 215769), (142, 200574), (198, 143846), (213, 133716), (284, 100287), (396, 71923), (426, 66858), (639, 44572), (781, 36468), (852, 33429), (1013, 28116), (1278, 22286), (1562, 18234), (2026, 14058), (2343, 12156), (2556, 11143), (3039, 9372), (3124, 9117), (4052, 7029), (4686, 6078)]