1291248010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{187409}}^1$

素因数の和:187482

約数の個数: 32

約数和(自身を含む): 2550275280

約数和(自身を除く): 1259027270

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 187409, 374818, 937045, 1874090, 2436317, 4872634, 9932677, 12181585, 19865354, 24363170, 49663385, 99326770, 129124801, 258249602, 645624005, 1291248010]

約数ペア:

[(1, 1291248010), (2, 645624005), (5, 258249602), (10, 129124801), (13, 99326770), (26, 49663385), (53, 24363170), (65, 19865354), (106, 12181585), (130, 9932677), (265, 4872634), (530, 2436317), (689, 1874090), (1378, 937045), (3445, 374818), (6890, 187409)]