68075696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{643}}^1$

素因数の和:1173

約数の個数: 40

約数和(自身を含む): 142542960

約数和(自身を除く): 74467264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 509, 643, 1018, 1286, 2036, 2572, 4072, 5144, 6617, 8144, 8359, 10288, 13234, 16718, 26468, 33436, 52936, 66872, 105872, 133744, 327287, 654574, 1309148, 2618296, 4254731, 5236592, 8509462, 17018924, 34037848, 68075696]

約数ペア:

[(1, 68075696), (2, 34037848), (4, 17018924), (8, 8509462), (13, 5236592), (16, 4254731), (26, 2618296), (52, 1309148), (104, 654574), (208, 327287), (509, 133744), (643, 105872), (1018, 66872), (1286, 52936), (2036, 33436), (2572, 26468), (4072, 16718), (5144, 13234), (6617, 10288), (8144, 8359)]