686802608

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{327673}}^1$

素因数の和:327812

約数の個数: 20

約数和(自身を含む): 1340842008

約数和(自身を除く): 654039400

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 327673, 655346, 1310692, 2621384, 5242768, 42925163, 85850326, 171700652, 343401304, 686802608]

約数ペア:

[(1, 686802608), (2, 343401304), (4, 171700652), (8, 85850326), (16, 42925163), (131, 5242768), (262, 2621384), (524, 1310692), (1048, 655346), (2096, 327673)]