266789224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{997}}^1$

素因数の和:1130

約数の個数: 64

約数和(自身を含む): 563351040

約数和(自身を除く): 296561816

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 83, 104, 124, 166, 248, 332, 403, 664, 806, 997, 1079, 1612, 1994, 2158, 2573, 3224, 3988, 4316, 5146, 7976, 8632, 10292, 12961, 20584, 25922, 30907, 33449, 51844, 61814, 66898, 82751, 103688, 123628, 133796, 165502, 247256, 267592, 331004, 401791, 662008, 803582, 1075763, 1607164, 2151526, 2565281, 3214328, 4303052, 5130562, 8606104, 10261124, 20522248, 33348653, 66697306, 133394612, 266789224]

約数ペア:

[(1, 266789224), (2, 133394612), (4, 66697306), (8, 33348653), (13, 20522248), (26, 10261124), (31, 8606104), (52, 5130562), (62, 4303052), (83, 3214328), (104, 2565281), (124, 2151526), (166, 1607164), (248, 1075763), (332, 803582), (403, 662008), (664, 401791), (806, 331004), (997, 267592), (1079, 247256), (1612, 165502), (1994, 133796), (2158, 123628), (2573, 103688), (3224, 82751), (3988, 66898), (4316, 61814), (5146, 51844), (7976, 33449), (8632, 30907), (10292, 25922), (12961, 20584)]