31207904

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1531}}^1$

素因数の和:1568

約数の個数: 72

約数和(自身を含む): 77019768

約数和(自身を除く): 45811864

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1531, 1568, 2548, 2912, 3062, 5096, 6124, 10192, 10717, 12248, 19903, 20384, 21434, 24496, 39806, 42868, 48992, 75019, 79612, 85736, 139321, 150038, 159224, 171472, 278642, 300076, 318448, 342944, 557284, 600152, 636896, 975247, 1114568, 1200304, 1950494, 2229136, 2400608, 3900988, 4458272, 7801976, 15603952, 31207904]

約数ペア:

[(1, 31207904), (2, 15603952), (4, 7801976), (7, 4458272), (8, 3900988), (13, 2400608), (14, 2229136), (16, 1950494), (26, 1200304), (28, 1114568), (32, 975247), (49, 636896), (52, 600152), (56, 557284), (91, 342944), (98, 318448), (104, 300076), (112, 278642), (182, 171472), (196, 159224), (208, 150038), (224, 139321), (364, 85736), (392, 79612), (416, 75019), (637, 48992), (728, 42868), (784, 39806), (1274, 24496), (1456, 21434), (1531, 20384), (1568, 19903), (2548, 12248), (2912, 10717), (3062, 10192), (5096, 6124)]