31163888

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3919}}^1$

素因数の和:4005

約数の個数: 40

約数和(自身を含む): 69995520

約数和(自身を除く): 38831632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3919, 3976, 7838, 7952, 15676, 27433, 31352, 54866, 62704, 109732, 219464, 278249, 438928, 556498, 1112996, 1947743, 2225992, 3895486, 4451984, 7790972, 15581944, 31163888]

約数ペア:

[(1, 31163888), (2, 15581944), (4, 7790972), (7, 4451984), (8, 3895486), (14, 2225992), (16, 1947743), (28, 1112996), (56, 556498), (71, 438928), (112, 278249), (142, 219464), (284, 109732), (497, 62704), (568, 54866), (994, 31352), (1136, 27433), (1988, 15676), (3919, 7952), (3976, 7838)]