121970128

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:324

約数の個数: 80

約数和(自身を含む): 278037760

約数和(自身を除く): 156067632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 103, 109, 112, 194, 206, 218, 388, 412, 436, 679, 721, 763, 776, 824, 872, 1358, 1442, 1526, 1552, 1648, 1744, 2716, 2884, 3052, 5432, 5768, 6104, 9991, 10573, 10864, 11227, 11536, 12208, 19982, 21146, 22454, 39964, 42292, 44908, 69937, 74011, 78589, 79928, 84584, 89816, 139874, 148022, 157178, 159856, 169168, 179632, 279748, 296044, 314356, 559496, 592088, 628712, 1089019, 1118992, 1184176, 1257424, 2178038, 4356076, 7623133, 8712152, 15246266, 17424304, 30492532, 60985064, 121970128]

約数ペア:

[(1, 121970128), (2, 60985064), (4, 30492532), (7, 17424304), (8, 15246266), (14, 8712152), (16, 7623133), (28, 4356076), (56, 2178038), (97, 1257424), (103, 1184176), (109, 1118992), (112, 1089019), (194, 628712), (206, 592088), (218, 559496), (388, 314356), (412, 296044), (436, 279748), (679, 179632), (721, 169168), (763, 159856), (776, 157178), (824, 148022), (872, 139874), (1358, 89816), (1442, 84584), (1526, 79928), (1552, 78589), (1648, 74011), (1744, 69937), (2716, 44908), (2884, 42292), (3052, 39964), (5432, 22454), (5768, 21146), (6104, 19982), (9991, 12208), (10573, 11536), (10864, 11227)]