78918018

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{839}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 161239680

約数和(自身を除く): 82321662

約数列:

[1, 2, 3, 6, 61, 122, 183, 257, 366, 514, 771, 839, 1542, 1678, 2517, 5034, 15677, 31354, 47031, 51179, 94062, 102358, 153537, 215623, 307074, 431246, 646869, 1293738, 13153003, 26306006, 39459009, 78918018]

約数ペア:

[(1, 78918018), (2, 39459009), (3, 26306006), (6, 13153003), (61, 1293738), (122, 646869), (183, 431246), (257, 307074), (366, 215623), (514, 153537), (771, 102358), (839, 94062), (1542, 51179), (1678, 47031), (2517, 31354), (5034, 15677)]