280408028

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{3733}}^1$

素因数の和:4037

約数の個数: 24

約数和(自身を含む): 498713040

約数和(自身を除く): 218305012

約数列:

[1, 2, 4, 89, 178, 211, 356, 422, 844, 3733, 7466, 14932, 18779, 37558, 75116, 332237, 664474, 787663, 1328948, 1575326, 3150652, 70102007, 140204014, 280408028]

約数ペア:

[(1, 280408028), (2, 140204014), (4, 70102007), (89, 3150652), (178, 1575326), (211, 1328948), (356, 787663), (422, 664474), (844, 332237), (3733, 75116), (7466, 37558), (14932, 18779)]