156789306

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 345688200

約数和(自身を除く): 188898894

約数列:

[1, 2, 3, 6, 9, 18, 109, 157, 218, 314, 327, 471, 509, 654, 942, 981, 1018, 1413, 1527, 1962, 2826, 3054, 4581, 9162, 17113, 34226, 51339, 55481, 79913, 102678, 110962, 154017, 159826, 166443, 239739, 308034, 332886, 479478, 499329, 719217, 998658, 1438434, 8710517, 17421034, 26131551, 52263102, 78394653, 156789306]

約数ペア:

[(1, 156789306), (2, 78394653), (3, 52263102), (6, 26131551), (9, 17421034), (18, 8710517), (109, 1438434), (157, 998658), (218, 719217), (314, 499329), (327, 479478), (471, 332886), (509, 308034), (654, 239739), (942, 166443), (981, 159826), (1018, 154017), (1413, 110962), (1527, 102678), (1962, 79913), (2826, 55481), (3054, 51339), (4581, 34226), (9162, 17113)]