669115408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2624

約数の個数: 80

約数和(自身を含む): 1476905472

約数和(自身を除く): 807790064

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 41, 52, 62, 82, 104, 124, 164, 208, 248, 328, 403, 496, 533, 656, 806, 1066, 1271, 1612, 2132, 2531, 2542, 3224, 4264, 5062, 5084, 6448, 8528, 10124, 10168, 16523, 20248, 20336, 32903, 33046, 40496, 65806, 66092, 78461, 103771, 131612, 132184, 156922, 207542, 263224, 264368, 313844, 415084, 526448, 627688, 830168, 1019993, 1255376, 1349023, 1660336, 2039986, 2698046, 3216901, 4079972, 5396092, 6433802, 8159944, 10792184, 12867604, 16319888, 21584368, 25735208, 41819713, 51470416, 83639426, 167278852, 334557704, 669115408]

約数ペア:

[(1, 669115408), (2, 334557704), (4, 167278852), (8, 83639426), (13, 51470416), (16, 41819713), (26, 25735208), (31, 21584368), (41, 16319888), (52, 12867604), (62, 10792184), (82, 8159944), (104, 6433802), (124, 5396092), (164, 4079972), (208, 3216901), (248, 2698046), (328, 2039986), (403, 1660336), (496, 1349023), (533, 1255376), (656, 1019993), (806, 830168), (1066, 627688), (1271, 526448), (1612, 415084), (2132, 313844), (2531, 264368), (2542, 263224), (3224, 207542), (4264, 156922), (5062, 132184), (5084, 131612), (6448, 103771), (8528, 78461), (10124, 66092), (10168, 65806), (16523, 40496), (20248, 33046), (20336, 32903)]