257431036018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{14979113}}^1$

素因数の和:14979789

約数の個数: 16

約数和(自身を含む): 416479285656

約数和(自身を除く): 159048249638

約数列:

[1, 2, 13, 26, 661, 1322, 8593, 17186, 14979113, 29958226, 194728469, 389456938, 9901193693, 19802387386, 128715518009, 257431036018]

約数ペア:

[(1, 257431036018), (2, 128715518009), (13, 19802387386), (26, 9901193693), (661, 389456938), (1322, 194728469), (8593, 29958226), (17186, 14979113)]