31000872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 128

約数和(自身を含む): 94556160

約数和(自身を除く): 63555288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 71, 84, 92, 113, 138, 142, 161, 168, 184, 213, 226, 276, 284, 322, 339, 426, 452, 483, 497, 552, 568, 644, 678, 791, 852, 904, 966, 994, 1288, 1356, 1491, 1582, 1633, 1704, 1932, 1988, 2373, 2599, 2712, 2982, 3164, 3266, 3864, 3976, 4746, 4899, 5198, 5964, 6328, 6532, 7797, 8023, 9492, 9798, 10396, 11431, 11928, 13064, 15594, 16046, 18193, 18984, 19596, 20792, 22862, 24069, 31188, 32092, 34293, 36386, 39192, 45724, 48138, 54579, 56161, 62376, 64184, 68586, 72772, 91448, 96276, 109158, 112322, 137172, 145544, 168483, 184529, 192552, 218316, 224644, 274344, 336966, 369058, 436632, 449288, 553587, 673932, 738116, 1107174, 1291703, 1347864, 1476232, 2214348, 2583406, 3875109, 4428696, 5166812, 7750218, 10333624, 15500436, 31000872]

約数ペア:

[(1, 31000872), (2, 15500436), (3, 10333624), (4, 7750218), (6, 5166812), (7, 4428696), (8, 3875109), (12, 2583406), (14, 2214348), (21, 1476232), (23, 1347864), (24, 1291703), (28, 1107174), (42, 738116), (46, 673932), (56, 553587), (69, 449288), (71, 436632), (84, 369058), (92, 336966), (113, 274344), (138, 224644), (142, 218316), (161, 192552), (168, 184529), (184, 168483), (213, 145544), (226, 137172), (276, 112322), (284, 109158), (322, 96276), (339, 91448), (426, 72772), (452, 68586), (483, 64184), (497, 62376), (552, 56161), (568, 54579), (644, 48138), (678, 45724), (791, 39192), (852, 36386), (904, 34293), (966, 32092), (994, 31188), (1288, 24069), (1356, 22862), (1491, 20792), (1582, 19596), (1633, 18984), (1704, 18193), (1932, 16046), (1988, 15594), (2373, 13064), (2599, 11928), (2712, 11431), (2982, 10396), (3164, 9798), (3266, 9492), (3864, 8023), (3976, 7797), (4746, 6532), (4899, 6328), (5198, 5964)]