81431569312

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{305821}}^1$

素因数の和:306041

約数の個数: 48

約数和(自身を含む): 164384218152

約数和(自身を除く): 82952648840

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 157, 212, 314, 424, 628, 848, 1256, 1696, 2512, 5024, 8321, 16642, 33284, 66568, 133136, 266272, 305821, 611642, 1223284, 2446568, 4893136, 9786272, 16208513, 32417026, 48013897, 64834052, 96027794, 129668104, 192055588, 259336208, 384111176, 518672416, 768222352, 1536444704, 2544736541, 5089473082, 10178946164, 20357892328, 40715784656, 81431569312]

約数ペア:

[(1, 81431569312), (2, 40715784656), (4, 20357892328), (8, 10178946164), (16, 5089473082), (32, 2544736541), (53, 1536444704), (106, 768222352), (157, 518672416), (212, 384111176), (314, 259336208), (424, 192055588), (628, 129668104), (848, 96027794), (1256, 64834052), (1696, 48013897), (2512, 32417026), (5024, 16208513), (8321, 9786272), (16642, 4893136), (33284, 2446568), (66568, 1223284), (133136, 611642), (266272, 305821)]