278655984

素因数分解:

$2^4\times 3^3\times {\mathrm{645037}}^1$

素因数の和:645054

約数の個数: 40

約数和(自身を含む): 799847120

約数和(自身を除く): 521191136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 645037, 1290074, 1935111, 2580148, 3870222, 5160296, 5805333, 7740444, 10320592, 11610666, 15480888, 17415999, 23221332, 30961776, 34831998, 46442664, 69663996, 92885328, 139327992, 278655984]

約数ペア:

[(1, 278655984), (2, 139327992), (3, 92885328), (4, 69663996), (6, 46442664), (8, 34831998), (9, 30961776), (12, 23221332), (16, 17415999), (18, 15480888), (24, 11610666), (27, 10320592), (36, 7740444), (48, 5805333), (54, 5160296), (72, 3870222), (108, 2580148), (144, 1935111), (216, 1290074), (432, 645037)]