78942064

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{27259}}^1$

素因数の和:27448

約数の個数: 20

約数和(自身を含む): 153800920

約数和(自身を除く): 74858856

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 27259, 54518, 109036, 218072, 436144, 4933879, 9867758, 19735516, 39471032, 78942064]

約数ペア:

[(1, 78942064), (2, 39471032), (4, 19735516), (8, 9867758), (16, 4933879), (181, 436144), (362, 218072), (724, 109036), (1448, 54518), (2896, 27259)]