1280906

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 24

約数和(自身を含む): 2170560

約数和(自身を除く): 889654

約数列:

[1, 2, 11, 22, 67, 79, 121, 134, 158, 242, 737, 869, 1474, 1738, 5293, 8107, 9559, 10586, 16214, 19118, 58223, 116446, 640453, 1280906]

約数ペア:

[(1, 1280906), (2, 640453), (11, 116446), (22, 58223), (67, 19118), (79, 16214), (121, 10586), (134, 9559), (158, 8107), (242, 5293), (737, 1738), (869, 1474)]