31081512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 128

約数和(自身を含む): 98380800

約数和(自身を除く): 67299288

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 121, 132, 139, 154, 168, 231, 242, 264, 278, 308, 363, 417, 462, 484, 556, 616, 726, 834, 847, 924, 968, 973, 1112, 1331, 1452, 1529, 1668, 1694, 1848, 1946, 2541, 2662, 2904, 2919, 3058, 3336, 3388, 3892, 3993, 4587, 5082, 5324, 5838, 6116, 6776, 7784, 7986, 9174, 9317, 10164, 10648, 10703, 11676, 12232, 15972, 16819, 18348, 18634, 20328, 21406, 23352, 27951, 31944, 32109, 33638, 36696, 37268, 42812, 50457, 55902, 64218, 67276, 74536, 85624, 100914, 111804, 117733, 128436, 134552, 185009, 201828, 223608, 235466, 256872, 353199, 370018, 403656, 470932, 555027, 706398, 740036, 941864, 1110054, 1295063, 1412796, 1480072, 2220108, 2590126, 2825592, 3885189, 4440216, 5180252, 7770378, 10360504, 15540756, 31081512]

約数ペア:

[(1, 31081512), (2, 15540756), (3, 10360504), (4, 7770378), (6, 5180252), (7, 4440216), (8, 3885189), (11, 2825592), (12, 2590126), (14, 2220108), (21, 1480072), (22, 1412796), (24, 1295063), (28, 1110054), (33, 941864), (42, 740036), (44, 706398), (56, 555027), (66, 470932), (77, 403656), (84, 370018), (88, 353199), (121, 256872), (132, 235466), (139, 223608), (154, 201828), (168, 185009), (231, 134552), (242, 128436), (264, 117733), (278, 111804), (308, 100914), (363, 85624), (417, 74536), (462, 67276), (484, 64218), (556, 55902), (616, 50457), (726, 42812), (834, 37268), (847, 36696), (924, 33638), (968, 32109), (973, 31944), (1112, 27951), (1331, 23352), (1452, 21406), (1529, 20328), (1668, 18634), (1694, 18348), (1848, 16819), (1946, 15972), (2541, 12232), (2662, 11676), (2904, 10703), (2919, 10648), (3058, 10164), (3336, 9317), (3388, 9174), (3892, 7986), (3993, 7784), (4587, 6776), (5082, 6116), (5324, 5838)]