7997143

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 10448784

約数和(自身を除く): 2451641

約数列:

[1, 7, 11, 37, 49, 77, 259, 401, 407, 539, 1813, 2807, 2849, 4411, 14837, 19649, 19943, 30877, 103859, 163207, 216139, 727013, 1142449, 7997143]

約数ペア:

[(1, 7997143), (7, 1142449), (11, 727013), (37, 216139), (49, 163207), (77, 103859), (259, 30877), (401, 19943), (407, 19649), (539, 14837), (1813, 4411), (2807, 2849)]