78415779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:771

約数の個数: 32

約数和(自身を含む): 116847360

約数和(自身を除く): 38431581

約数列:

[1, 3, 13, 39, 53, 59, 159, 177, 643, 689, 767, 1929, 2067, 2301, 3127, 8359, 9381, 25077, 34079, 37937, 40651, 102237, 113811, 121953, 443027, 493181, 1329081, 1479543, 2010661, 6031983, 26138593, 78415779]

約数ペア:

[(1, 78415779), (3, 26138593), (13, 6031983), (39, 2010661), (53, 1479543), (59, 1329081), (159, 493181), (177, 443027), (643, 121953), (689, 113811), (767, 102237), (1929, 40651), (2067, 37937), (2301, 34079), (3127, 25077), (8359, 9381)]