31705072

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 75709440

約数和(自身を除く): 44004368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 56, 76, 94, 112, 133, 152, 188, 266, 304, 317, 329, 376, 532, 634, 658, 752, 893, 1064, 1268, 1316, 1786, 2128, 2219, 2536, 2632, 3572, 4438, 5072, 5264, 6023, 6251, 7144, 8876, 12046, 12502, 14288, 14899, 17752, 24092, 25004, 29798, 35504, 42161, 48184, 50008, 59596, 84322, 96368, 100016, 104293, 119192, 168644, 208586, 238384, 283081, 337288, 417172, 566162, 674576, 834344, 1132324, 1668688, 1981567, 2264648, 3963134, 4529296, 7926268, 15852536, 31705072]

約数ペア:

[(1, 31705072), (2, 15852536), (4, 7926268), (7, 4529296), (8, 3963134), (14, 2264648), (16, 1981567), (19, 1668688), (28, 1132324), (38, 834344), (47, 674576), (56, 566162), (76, 417172), (94, 337288), (112, 283081), (133, 238384), (152, 208586), (188, 168644), (266, 119192), (304, 104293), (317, 100016), (329, 96368), (376, 84322), (532, 59596), (634, 50008), (658, 48184), (752, 42161), (893, 35504), (1064, 29798), (1268, 25004), (1316, 24092), (1786, 17752), (2128, 14899), (2219, 14288), (2536, 12502), (2632, 12046), (3572, 8876), (4438, 7144), (5072, 6251), (5264, 6023)]