2478239696

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2164

約数の個数: 80

約数和(自身を含む): 5222046720

約数和(自身を除く): 2743807024

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 109, 124, 184, 218, 248, 368, 436, 496, 713, 872, 1426, 1744, 1993, 2507, 2852, 3379, 3986, 5014, 5704, 6758, 7972, 10028, 11408, 13516, 15944, 20056, 27032, 31888, 40112, 45839, 54064, 61783, 77717, 91678, 123566, 155434, 183356, 217237, 247132, 310868, 366712, 434474, 494264, 621736, 733424, 868948, 988528, 1243472, 1421009, 1737896, 2842018, 3475792, 4996451, 5684036, 6734347, 9992902, 11368072, 13468694, 19985804, 22736144, 26937388, 39971608, 53874776, 79943216, 107749552, 154889981, 309779962, 619559924, 1239119848, 2478239696]

約数ペア:

[(1, 2478239696), (2, 1239119848), (4, 619559924), (8, 309779962), (16, 154889981), (23, 107749552), (31, 79943216), (46, 53874776), (62, 39971608), (92, 26937388), (109, 22736144), (124, 19985804), (184, 13468694), (218, 11368072), (248, 9992902), (368, 6734347), (436, 5684036), (496, 4996451), (713, 3475792), (872, 2842018), (1426, 1737896), (1744, 1421009), (1993, 1243472), (2507, 988528), (2852, 868948), (3379, 733424), (3986, 621736), (5014, 494264), (5704, 434474), (6758, 366712), (7972, 310868), (10028, 247132), (11408, 217237), (13516, 183356), (15944, 155434), (20056, 123566), (27032, 91678), (31888, 77717), (40112, 61783), (45839, 54064)]