1987555248

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{281683}}^1$

素因数の和:281711

約数の個数: 90

約数和(自身を含む): 6470563164

約数和(自身を除く): 4483007916

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 281683, 563366, 845049, 1126732, 1690098, 1971781, 2253464, 2535147, 3380196, 3943562, 4506928, 5070294, 5915343, 6760392, 7887124, 10140588, 11830686, 13520784, 13802467, 15774248, 17746029, 20281176, 23661372, 27604934, 31548496, 35492058, 40562352, 41407401, 47322744, 55209868, 70984116, 82814802, 94645488, 110419736, 124222203, 141968232, 165629604, 220839472, 248444406, 283936464, 331259208, 496888812, 662518416, 993777624, 1987555248]

約数ペア:

[(1, 1987555248), (2, 993777624), (3, 662518416), (4, 496888812), (6, 331259208), (7, 283936464), (8, 248444406), (9, 220839472), (12, 165629604), (14, 141968232), (16, 124222203), (18, 110419736), (21, 94645488), (24, 82814802), (28, 70984116), (36, 55209868), (42, 47322744), (48, 41407401), (49, 40562352), (56, 35492058), (63, 31548496), (72, 27604934), (84, 23661372), (98, 20281176), (112, 17746029), (126, 15774248), (144, 13802467), (147, 13520784), (168, 11830686), (196, 10140588), (252, 7887124), (294, 6760392), (336, 5915343), (392, 5070294), (441, 4506928), (504, 3943562), (588, 3380196), (784, 2535147), (882, 2253464), (1008, 1971781), (1176, 1690098), (1764, 1126732), (2352, 845049), (3528, 563366), (7056, 281683)]