381488890844

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{21391}}^1\times {\mathrm{234659}}^1$

素因数の和:256073

約数の個数: 24

約数和(自身を含む): 702778540800

約数和(自身を除く): 321289649956

約数列:

[1, 2, 4, 19, 38, 76, 21391, 42782, 85564, 234659, 406429, 469318, 812858, 938636, 1625716, 4458521, 8917042, 17834084, 5019590669, 10039181338, 20078362676, 95372222711, 190744445422, 381488890844]

約数ペア:

[(1, 381488890844), (2, 190744445422), (4, 95372222711), (19, 20078362676), (38, 10039181338), (76, 5019590669), (21391, 17834084), (42782, 8917042), (85564, 4458521), (234659, 1625716), (406429, 938636), (469318, 812858)]