28778292

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 76108032

約数和(自身を除く): 47329740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 241, 279, 321, 372, 428, 482, 558, 642, 723, 963, 964, 1116, 1284, 1446, 1926, 2169, 2892, 3317, 3852, 4338, 6634, 7471, 8676, 9951, 13268, 14942, 19902, 22413, 25787, 29853, 29884, 39804, 44826, 51574, 59706, 67239, 77361, 89652, 103148, 119412, 134478, 154722, 232083, 268956, 309444, 464166, 799397, 928332, 1598794, 2398191, 3197588, 4796382, 7194573, 9592764, 14389146, 28778292]

約数ペア:

[(1, 28778292), (2, 14389146), (3, 9592764), (4, 7194573), (6, 4796382), (9, 3197588), (12, 2398191), (18, 1598794), (31, 928332), (36, 799397), (62, 464166), (93, 309444), (107, 268956), (124, 232083), (186, 154722), (214, 134478), (241, 119412), (279, 103148), (321, 89652), (372, 77361), (428, 67239), (482, 59706), (558, 51574), (642, 44826), (723, 39804), (963, 29884), (964, 29853), (1116, 25787), (1284, 22413), (1446, 19902), (1926, 14942), (2169, 13268), (2892, 9951), (3317, 8676), (3852, 7471), (4338, 6634)]