78455384

素因数分解:

$2^3\times 7^1\times {\mathrm{1400989}}^1$

素因数の和:1401002

約数の個数: 16

約数和(自身を含む): 168118800

約数和(自身を除く): 89663416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1400989, 2801978, 5603956, 9806923, 11207912, 19613846, 39227692, 78455384]

約数ペア:

[(1, 78455384), (2, 39227692), (4, 19613846), (7, 11207912), (8, 9806923), (14, 5603956), (28, 2801978), (56, 1400989)]