261578642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{64081}}^1$

素因数の和:64253

約数の個数: 16

約数和(自身を含む): 425248152

約数和(自身を除く): 163669510

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 64081, 128162, 833053, 1666106, 10060717, 20121434, 130789321, 261578642]

約数ペア:

[(1, 261578642), (2, 130789321), (13, 20121434), (26, 10060717), (157, 1666106), (314, 833053), (2041, 128162), (4082, 64081)]