421081808

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 965188224

約数和(自身を除く): 544106416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 107, 112, 164, 214, 287, 328, 428, 574, 656, 749, 856, 857, 1148, 1498, 1712, 1714, 2296, 2996, 3428, 4387, 4592, 5992, 5999, 6856, 8774, 11984, 11998, 13712, 17548, 23996, 30709, 35096, 35137, 47992, 61418, 70192, 70274, 91699, 95984, 122836, 140548, 183398, 245672, 245959, 281096, 366796, 491344, 491918, 562192, 641893, 733592, 983836, 1283786, 1467184, 1967672, 2567572, 3759659, 3935344, 5135144, 7519318, 10270288, 15038636, 26317613, 30077272, 52635226, 60154544, 105270452, 210540904, 421081808]

約数ペア:

[(1, 421081808), (2, 210540904), (4, 105270452), (7, 60154544), (8, 52635226), (14, 30077272), (16, 26317613), (28, 15038636), (41, 10270288), (56, 7519318), (82, 5135144), (107, 3935344), (112, 3759659), (164, 2567572), (214, 1967672), (287, 1467184), (328, 1283786), (428, 983836), (574, 733592), (656, 641893), (749, 562192), (856, 491918), (857, 491344), (1148, 366796), (1498, 281096), (1712, 245959), (1714, 245672), (2296, 183398), (2996, 140548), (3428, 122836), (4387, 95984), (4592, 91699), (5992, 70274), (5999, 70192), (6856, 61418), (8774, 47992), (11984, 35137), (11998, 35096), (13712, 30709), (17548, 23996)]