255621678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3851}}^1$

素因数の和:3929

約数の個数: 64

約数和(自身を含む): 590188032

約数和(自身を除く): 334566354

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 111, 138, 222, 299, 481, 598, 851, 897, 962, 1443, 1702, 1794, 2553, 2886, 3851, 5106, 7702, 11063, 11553, 22126, 23106, 33189, 50063, 66378, 88573, 100126, 142487, 150189, 177146, 265719, 284974, 300378, 427461, 531438, 854922, 1151449, 1852331, 2302898, 3277201, 3454347, 3704662, 5556993, 6554402, 6908694, 9831603, 11113986, 19663206, 42603613, 85207226, 127810839, 255621678]

約数ペア:

[(1, 255621678), (2, 127810839), (3, 85207226), (6, 42603613), (13, 19663206), (23, 11113986), (26, 9831603), (37, 6908694), (39, 6554402), (46, 5556993), (69, 3704662), (74, 3454347), (78, 3277201), (111, 2302898), (138, 1852331), (222, 1151449), (299, 854922), (481, 531438), (598, 427461), (851, 300378), (897, 284974), (962, 265719), (1443, 177146), (1702, 150189), (1794, 142487), (2553, 100126), (2886, 88573), (3851, 66378), (5106, 50063), (7702, 33189), (11063, 23106), (11553, 22126)]