668896558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{8123}}^1$

素因数の和:8352

約数の個数: 32

約数和(自身を含む): 1158157440

約数和(自身を除く): 489260882

約数列:

[1, 2, 11, 19, 22, 38, 197, 209, 394, 418, 2167, 3743, 4334, 7486, 8123, 16246, 41173, 82346, 89353, 154337, 178706, 308674, 1600231, 1697707, 3200462, 3395414, 17602541, 30404389, 35205082, 60808778, 334448279, 668896558]

約数ペア:

[(1, 668896558), (2, 334448279), (11, 60808778), (19, 35205082), (22, 30404389), (38, 17602541), (197, 3395414), (209, 3200462), (394, 1697707), (418, 1600231), (2167, 308674), (3743, 178706), (4334, 154337), (7486, 89353), (8123, 82346), (16246, 41173)]