256486376

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{431}}^1\times {\mathrm{1019}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 489110400

約数和(自身を除く): 232624024

約数列:

[1, 2, 4, 8, 73, 146, 292, 431, 584, 862, 1019, 1724, 2038, 3448, 4076, 8152, 31463, 62926, 74387, 125852, 148774, 251704, 297548, 439189, 595096, 878378, 1756756, 3513512, 32060797, 64121594, 128243188, 256486376]

約数ペア:

[(1, 256486376), (2, 128243188), (4, 64121594), (8, 32060797), (73, 3513512), (146, 1756756), (292, 878378), (431, 595096), (584, 439189), (862, 297548), (1019, 251704), (1724, 148774), (2038, 125852), (3448, 74387), (4076, 62926), (8152, 31463)]