168748190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3221}}^1$

素因数の和:3285

約数の個数: 48

約数和(自身を含む): 339624576

約数和(自身を除く): 170876386

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 3221, 4030, 5239, 6442, 10478, 16105, 26195, 32210, 41873, 52390, 83746, 99851, 199702, 209365, 418730, 499255, 544349, 998510, 1088698, 1298063, 2596126, 2721745, 5443490, 6490315, 12980630, 16874819, 33749638, 84374095, 168748190]

約数ペア:

[(1, 168748190), (2, 84374095), (5, 33749638), (10, 16874819), (13, 12980630), (26, 6490315), (31, 5443490), (62, 2721745), (65, 2596126), (130, 1298063), (155, 1088698), (169, 998510), (310, 544349), (338, 499255), (403, 418730), (806, 209365), (845, 199702), (1690, 99851), (2015, 83746), (3221, 52390), (4030, 41873), (5239, 32210), (6442, 26195), (10478, 16105)]