78898156

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:690

約数の個数: 36

約数和(自身を含む): 148074696

約数和(自身を除く): 69176540

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 289, 521, 524, 578, 1042, 1156, 2084, 2227, 4454, 8857, 8908, 17714, 35428, 37859, 68251, 75718, 136502, 150569, 151436, 273004, 301138, 602276, 1160267, 2320534, 4641068, 19724539, 39449078, 78898156]

約数ペア:

[(1, 78898156), (2, 39449078), (4, 19724539), (17, 4641068), (34, 2320534), (68, 1160267), (131, 602276), (262, 301138), (289, 273004), (521, 151436), (524, 150569), (578, 136502), (1042, 75718), (1156, 68251), (2084, 37859), (2227, 35428), (4454, 17714), (8857, 8908)]