217173628

素因数分解:

$2^2\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{5209}}^1$

素因数の和:6709

約数の個数: 24

約数和(自身を含む): 434722400

約数和(自身を除く): 217548772

約数列:

[1, 2, 4, 7, 14, 28, 1489, 2978, 5209, 5956, 10418, 10423, 20836, 20846, 36463, 41692, 72926, 145852, 7756201, 15512402, 31024804, 54293407, 108586814, 217173628]

約数ペア:

[(1, 217173628), (2, 108586814), (4, 54293407), (7, 31024804), (14, 15512402), (28, 7756201), (1489, 145852), (2978, 72926), (5209, 41692), (5956, 36463), (10418, 20846), (10423, 20836)]