201089581

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 56958419

約数列:

[1, 7, 11, 49, 77, 223, 239, 343, 539, 1561, 1673, 2453, 2629, 3773, 10927, 11711, 17171, 18403, 53297, 76489, 81977, 120197, 128821, 373079, 586267, 841379, 901747, 2611553, 4103869, 18280871, 28727083, 201089581]

約数ペア:

[(1, 201089581), (7, 28727083), (11, 18280871), (49, 4103869), (77, 2611553), (223, 901747), (239, 841379), (343, 586267), (539, 373079), (1561, 128821), (1673, 120197), (2453, 81977), (2629, 76489), (3773, 53297), (10927, 18403), (11711, 17171)]