81011936

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 170263296

約数和(自身を除く): 89251360

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 137, 272, 274, 544, 548, 1087, 1096, 2174, 2192, 2329, 4348, 4384, 4658, 8696, 9316, 17392, 18479, 18632, 34784, 36958, 37264, 73916, 74528, 147832, 148919, 295664, 297838, 591328, 595676, 1191352, 2382704, 2531623, 4765408, 5063246, 10126492, 20252984, 40505968, 81011936]

約数ペア:

[(1, 81011936), (2, 40505968), (4, 20252984), (8, 10126492), (16, 5063246), (17, 4765408), (32, 2531623), (34, 2382704), (68, 1191352), (136, 595676), (137, 591328), (272, 297838), (274, 295664), (544, 148919), (548, 147832), (1087, 74528), (1096, 73916), (2174, 37264), (2192, 36958), (2329, 34784), (4348, 18632), (4384, 18479), (4658, 17392), (8696, 9316)]