81338816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1741

約数の個数: 56

約数和(自身を含む): 176875440

約数和(自身を除く): 95536624

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 59, 64, 104, 118, 208, 236, 416, 472, 767, 832, 944, 1534, 1657, 1888, 3068, 3314, 3776, 6136, 6628, 12272, 13256, 21541, 24544, 26512, 43082, 49088, 53024, 86164, 97763, 106048, 172328, 195526, 344656, 391052, 689312, 782104, 1270919, 1378624, 1564208, 2541838, 3128416, 5083676, 6256832, 10167352, 20334704, 40669408, 81338816]

約数ペア:

[(1, 81338816), (2, 40669408), (4, 20334704), (8, 10167352), (13, 6256832), (16, 5083676), (26, 3128416), (32, 2541838), (52, 1564208), (59, 1378624), (64, 1270919), (104, 782104), (118, 689312), (208, 391052), (236, 344656), (416, 195526), (472, 172328), (767, 106048), (832, 97763), (944, 86164), (1534, 53024), (1657, 49088), (1888, 43082), (3068, 26512), (3314, 24544), (3776, 21541), (6136, 13256), (6628, 12272)]