221116

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 453600

約数和(自身を除く): 232484

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 149, 212, 298, 371, 596, 742, 1043, 1484, 2086, 4172, 7897, 15794, 31588, 55279, 110558, 221116]

約数ペア:

[(1, 221116), (2, 110558), (4, 55279), (7, 31588), (14, 15794), (28, 7897), (53, 4172), (106, 2086), (149, 1484), (212, 1043), (298, 742), (371, 596)]