520372

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 987840

約数和(自身を除く): 467468

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 167, 334, 668, 779, 1558, 3116, 3173, 6346, 6847, 12692, 13694, 27388, 130093, 260186, 520372]

約数ペア:

[(1, 520372), (2, 260186), (4, 130093), (19, 27388), (38, 13694), (41, 12692), (76, 6847), (82, 6346), (164, 3173), (167, 3116), (334, 1558), (668, 779)]