81027808

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:611

約数の個数: 48

約数和(自身を含む): 164898720

約数和(自身を除く): 83870912

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 151, 164, 302, 328, 409, 604, 656, 818, 1208, 1312, 1636, 2416, 3272, 4832, 6191, 6544, 12382, 13088, 16769, 24764, 33538, 49528, 61759, 67076, 99056, 123518, 134152, 198112, 247036, 268304, 494072, 536608, 988144, 1976288, 2532119, 5064238, 10128476, 20256952, 40513904, 81027808]

約数ペア:

[(1, 81027808), (2, 40513904), (4, 20256952), (8, 10128476), (16, 5064238), (32, 2532119), (41, 1976288), (82, 988144), (151, 536608), (164, 494072), (302, 268304), (328, 247036), (409, 198112), (604, 134152), (656, 123518), (818, 99056), (1208, 67076), (1312, 61759), (1636, 49528), (2416, 33538), (3272, 24764), (4832, 16769), (6191, 13088), (6544, 12382)]