1281652016

素因数分解:

$2^4\times {\mathrm{569}}^1\times {\mathrm{140779}}^1$

素因数の和:141356

約数の個数: 20

約数和(自身を含む): 2487582600

約数和(自身を除く): 1205930584

約数列:

[1, 2, 4, 8, 16, 569, 1138, 2276, 4552, 9104, 140779, 281558, 563116, 1126232, 2252464, 80103251, 160206502, 320413004, 640826008, 1281652016]

約数ペア:

[(1, 1281652016), (2, 640826008), (4, 320413004), (8, 160206502), (16, 80103251), (569, 2252464), (1138, 1126232), (2276, 563116), (4552, 281558), (9104, 140779)]