1388185899

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 1925873664

約数和(自身を除く): 537687765

約数列:

[1, 3, 43, 103, 129, 191, 309, 547, 573, 1641, 4429, 8213, 13287, 19673, 23521, 24639, 56341, 59019, 70563, 104477, 169023, 313431, 845939, 2422663, 2537817, 4492511, 7267989, 10761131, 13477533, 32283393, 462728633, 1388185899]

約数ペア:

[(1, 1388185899), (3, 462728633), (43, 32283393), (103, 13477533), (129, 10761131), (191, 7267989), (309, 4492511), (547, 2537817), (573, 2422663), (1641, 845939), (4429, 313431), (8213, 169023), (13287, 104477), (19673, 70563), (23521, 59019), (24639, 56341)]