1391248

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1074

約数の個数: 20

約数和(自身を含む): 2728620

約数和(自身を除く): 1337372

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 977, 1424, 1954, 3908, 7816, 15632, 86953, 173906, 347812, 695624, 1391248]

約数ペア:

[(1, 1391248), (2, 695624), (4, 347812), (8, 173906), (16, 86953), (89, 15632), (178, 7816), (356, 3908), (712, 1954), (977, 1424)]