251013446

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1244

約数の個数: 32

約数和(自身を含む): 408672000

約数和(自身を除く): 157658554

約数列:

[1, 2, 19, 38, 43, 86, 149, 298, 817, 1031, 1634, 2062, 2831, 5662, 6407, 12814, 19589, 39178, 44333, 88666, 121733, 153619, 243466, 307238, 842327, 1684654, 2918761, 5837522, 6605617, 13211234, 125506723, 251013446]

約数ペア:

[(1, 251013446), (2, 125506723), (19, 13211234), (38, 6605617), (43, 5837522), (86, 2918761), (149, 1684654), (298, 842327), (817, 307238), (1031, 243466), (1634, 153619), (2062, 121733), (2831, 88666), (5662, 44333), (6407, 39178), (12814, 19589)]