1291228730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{25463}}^1$

素因数の和:25942

約数の個数: 32

約数和(自身を含む): 2541103488

約数和(自身を除く): 1249874758

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 461, 922, 2305, 4610, 5071, 10142, 25355, 25463, 50710, 50926, 127315, 254630, 280093, 560186, 1400465, 2800930, 11738443, 23476886, 58692215, 117384430, 129122873, 258245746, 645614365, 1291228730]

約数ペア:

[(1, 1291228730), (2, 645614365), (5, 258245746), (10, 129122873), (11, 117384430), (22, 58692215), (55, 23476886), (110, 11738443), (461, 2800930), (922, 1400465), (2305, 560186), (4610, 280093), (5071, 254630), (10142, 127315), (25355, 50926), (25463, 50710)]