686238016

素因数分解:

$2^6\times {\mathrm{251}}^1\times {\mathrm{42719}}^1$

素因数の和:42982

約数の個数: 28

約数和(自身を含む): 1367210880

約数和(自身を除く): 680972864

約数列:

[1, 2, 4, 8, 16, 32, 64, 251, 502, 1004, 2008, 4016, 8032, 16064, 42719, 85438, 170876, 341752, 683504, 1367008, 2734016, 10722469, 21444938, 42889876, 85779752, 171559504, 343119008, 686238016]

約数ペア:

[(1, 686238016), (2, 343119008), (4, 171559504), (8, 85779752), (16, 42889876), (32, 21444938), (64, 10722469), (251, 2734016), (502, 1367008), (1004, 683504), (2008, 341752), (4016, 170876), (8032, 85438), (16064, 42719)]