221417564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61987}}^1$

素因数の和:62057

約数の個数: 24

約数和(自身を含む): 416559360

約数和(自身を除く): 195141796

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 61987, 123974, 247948, 1177753, 2355506, 2913389, 4711012, 5826778, 11653556, 55354391, 110708782, 221417564]

約数ペア:

[(1, 221417564), (2, 110708782), (4, 55354391), (19, 11653556), (38, 5826778), (47, 4711012), (76, 2913389), (94, 2355506), (188, 1177753), (893, 247948), (1786, 123974), (3572, 61987)]