217169612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{55457}}^1$

素因数の和:55561

約数の個数: 24

約数和(自身を含む): 419262480

約数和(自身を除く): 202092868

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 55457, 110914, 221828, 610027, 1220054, 2440108, 4935673, 9871346, 19742692, 54292403, 108584806, 217169612]

約数ペア:

[(1, 217169612), (2, 108584806), (4, 54292403), (11, 19742692), (22, 9871346), (44, 4935673), (89, 2440108), (178, 1220054), (356, 610027), (979, 221828), (1958, 110914), (3916, 55457)]