1291267955

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3323}}^1$

素因数の和:3491

約数の個数: 32

約数和(自身を含む): 1684869120

約数和(自身を除く): 393601165

約数列:

[1, 5, 23, 31, 109, 115, 155, 545, 713, 2507, 3323, 3379, 3565, 12535, 16615, 16895, 76429, 77717, 103013, 362207, 382145, 388585, 515065, 1811035, 2369299, 8330761, 11228417, 11846495, 41653805, 56142085, 258253591, 1291267955]

約数ペア:

[(1, 1291267955), (5, 258253591), (23, 56142085), (31, 41653805), (109, 11846495), (115, 11228417), (155, 8330761), (545, 2369299), (713, 1811035), (2507, 515065), (3323, 388585), (3379, 382145), (3565, 362207), (12535, 103013), (16615, 77717), (16895, 76429)]