388584976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 836665200

約数和(自身を除く): 448080224

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 101, 104, 106, 202, 208, 212, 349, 404, 424, 689, 698, 808, 848, 1313, 1378, 1396, 1616, 2626, 2756, 2792, 4537, 5252, 5353, 5512, 5584, 9074, 10504, 10706, 11024, 18148, 18497, 21008, 21412, 35249, 36296, 36994, 42824, 69589, 70498, 72592, 73988, 85648, 139178, 140996, 147976, 240461, 278356, 281992, 295952, 458237, 480922, 556712, 563984, 916474, 961844, 1113424, 1832948, 1868197, 1923688, 3665896, 3736394, 3847376, 7331792, 7472788, 14945576, 24286561, 29891152, 48573122, 97146244, 194292488, 388584976]

約数ペア:

[(1, 388584976), (2, 194292488), (4, 97146244), (8, 48573122), (13, 29891152), (16, 24286561), (26, 14945576), (52, 7472788), (53, 7331792), (101, 3847376), (104, 3736394), (106, 3665896), (202, 1923688), (208, 1868197), (212, 1832948), (349, 1113424), (404, 961844), (424, 916474), (689, 563984), (698, 556712), (808, 480922), (848, 458237), (1313, 295952), (1378, 281992), (1396, 278356), (1616, 240461), (2626, 147976), (2756, 140996), (2792, 139178), (4537, 85648), (5252, 73988), (5353, 72592), (5512, 70498), (5584, 69589), (9074, 42824), (10504, 36994), (10706, 36296), (11024, 35249), (18148, 21412), (18497, 21008)]