2131227568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{10937}}^1$

素因数の和:11605

約数の個数: 40

約数和(自身を含む): 4353761520

約数和(自身を除く): 2222533952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 641, 1282, 2564, 5128, 10256, 10937, 12179, 21874, 24358, 43748, 48716, 87496, 97432, 174992, 194864, 207803, 415606, 831212, 1662424, 3324848, 7010617, 14021234, 28042468, 56084936, 112169872, 133201723, 266403446, 532806892, 1065613784, 2131227568]

約数ペア:

[(1, 2131227568), (2, 1065613784), (4, 532806892), (8, 266403446), (16, 133201723), (19, 112169872), (38, 56084936), (76, 28042468), (152, 14021234), (304, 7010617), (641, 3324848), (1282, 1662424), (2564, 831212), (5128, 415606), (10256, 207803), (10937, 194864), (12179, 174992), (21874, 97432), (24358, 87496), (43748, 48716)]