641971264

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{6961}}^1$

素因数の和:7115

約数の個数: 56

約数和(自身を含む): 1400531616

約数和(自身を除く): 758560352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 131, 176, 262, 352, 524, 704, 1048, 1441, 2096, 2882, 4192, 5764, 6961, 8384, 11528, 13922, 23056, 27844, 46112, 55688, 76571, 92224, 111376, 153142, 222752, 306284, 445504, 612568, 911891, 1225136, 1823782, 2450272, 3647564, 4900544, 7295128, 10030801, 14590256, 20061602, 29180512, 40123204, 58361024, 80246408, 160492816, 320985632, 641971264]

約数ペア:

[(1, 641971264), (2, 320985632), (4, 160492816), (8, 80246408), (11, 58361024), (16, 40123204), (22, 29180512), (32, 20061602), (44, 14590256), (64, 10030801), (88, 7295128), (131, 4900544), (176, 3647564), (262, 2450272), (352, 1823782), (524, 1225136), (704, 911891), (1048, 612568), (1441, 445504), (2096, 306284), (2882, 222752), (4192, 153142), (5764, 111376), (6961, 92224), (8384, 76571), (11528, 55688), (13922, 46112), (23056, 27844)]