12947275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 18514440

約数和(自身を除く): 5567165

約数列:

[1, 5, 11, 23, 25, 55, 89, 115, 253, 275, 445, 529, 575, 979, 1265, 2047, 2225, 2645, 4895, 5819, 6325, 10235, 13225, 22517, 24475, 29095, 47081, 51175, 112585, 145475, 235405, 517891, 562925, 1177025, 2589455, 12947275]

約数ペア:

[(1, 12947275), (5, 2589455), (11, 1177025), (23, 562925), (25, 517891), (55, 235405), (89, 145475), (115, 112585), (253, 51175), (275, 47081), (445, 29095), (529, 24475), (575, 22517), (979, 13225), (1265, 10235), (2047, 6325), (2225, 5819), (2645, 4895)]