139654384

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{66629}}^1$

素因数の和:66768

約数の個数: 20

約数和(自身を含む): 272649960

約数和(自身を除く): 132995576

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 66629, 133258, 266516, 533032, 1066064, 8728399, 17456798, 34913596, 69827192, 139654384]

約数ペア:

[(1, 139654384), (2, 69827192), (4, 34913596), (8, 17456798), (16, 8728399), (131, 1066064), (262, 533032), (524, 266516), (1048, 133258), (2096, 66629)]