1276912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:905

約数の個数: 40

約数和(自身を含む): 3048416

約数和(自身を除く): 1771504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 877, 1456, 1754, 3508, 6139, 7016, 11401, 12278, 14032, 22802, 24556, 45604, 49112, 79807, 91208, 98224, 159614, 182416, 319228, 638456, 1276912]

約数ペア:

[(1, 1276912), (2, 638456), (4, 319228), (7, 182416), (8, 159614), (13, 98224), (14, 91208), (16, 79807), (26, 49112), (28, 45604), (52, 24556), (56, 22802), (91, 14032), (104, 12278), (112, 11401), (182, 7016), (208, 6139), (364, 3508), (728, 1754), (877, 1456)]