142879891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 183472128

約数和(自身を除く): 40592237

約数列:

[1, 7, 11, 53, 77, 157, 223, 371, 583, 1099, 1561, 1727, 2453, 4081, 8321, 11819, 12089, 17171, 35011, 58247, 82733, 91531, 130009, 245077, 385121, 640717, 910063, 1855583, 2695847, 12989081, 20411413, 142879891]

約数ペア:

[(1, 142879891), (7, 20411413), (11, 12989081), (53, 2695847), (77, 1855583), (157, 910063), (223, 640717), (371, 385121), (583, 245077), (1099, 130009), (1561, 91531), (1727, 82733), (2453, 58247), (4081, 35011), (8321, 17171), (11819, 12089)]