71455328

素因数分解:

$2^5\times 7^2\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 165186000

約数和(自身を除く): 93730672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 199, 224, 229, 392, 398, 458, 784, 796, 916, 1393, 1568, 1592, 1603, 1832, 2786, 3184, 3206, 3664, 5572, 6368, 6412, 7328, 9751, 11144, 11221, 12824, 19502, 22288, 22442, 25648, 39004, 44576, 44884, 45571, 51296, 78008, 89768, 91142, 156016, 179536, 182284, 312032, 318997, 359072, 364568, 637994, 729136, 1275988, 1458272, 2232979, 2551976, 4465958, 5103952, 8931916, 10207904, 17863832, 35727664, 71455328]

約数ペア:

[(1, 71455328), (2, 35727664), (4, 17863832), (7, 10207904), (8, 8931916), (14, 5103952), (16, 4465958), (28, 2551976), (32, 2232979), (49, 1458272), (56, 1275988), (98, 729136), (112, 637994), (196, 364568), (199, 359072), (224, 318997), (229, 312032), (392, 182284), (398, 179536), (458, 156016), (784, 91142), (796, 89768), (916, 78008), (1393, 51296), (1568, 45571), (1592, 44884), (1603, 44576), (1832, 39004), (2786, 25648), (3184, 22442), (3206, 22288), (3664, 19502), (5572, 12824), (6368, 11221), (6412, 11144), (7328, 9751)]