2178976670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{540689}}^1$

素因数の和:540740

約数の個数: 32

約数和(自身を含む): 4360124160

約数和(自身を除く): 2181147490

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 540689, 1081378, 2703445, 5406890, 7028957, 14057914, 16761359, 33522718, 35144785, 70289570, 83806795, 167613590, 217897667, 435795334, 1089488335, 2178976670]

約数ペア:

[(1, 2178976670), (2, 1089488335), (5, 435795334), (10, 217897667), (13, 167613590), (26, 83806795), (31, 70289570), (62, 35144785), (65, 33522718), (130, 16761359), (155, 14057914), (310, 7028957), (403, 5406890), (806, 2703445), (2015, 1081378), (4030, 540689)]