12891470

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:416

約数の個数: 32

約数和(自身を含む): 23970816

約数和(自身を除く): 11079346

約数列:

[1, 2, 5, 10, 67, 71, 134, 142, 271, 335, 355, 542, 670, 710, 1355, 2710, 4757, 9514, 18157, 19241, 23785, 36314, 38482, 47570, 90785, 96205, 181570, 192410, 1289147, 2578294, 6445735, 12891470]

約数ペア:

[(1, 12891470), (2, 6445735), (5, 2578294), (10, 1289147), (67, 192410), (71, 181570), (134, 96205), (142, 90785), (271, 47570), (335, 38482), (355, 36314), (542, 23785), (670, 19241), (710, 18157), (1355, 9514), (2710, 4757)]