12991270

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 24178176

約数和(自身を除く): 11186906

約数列:

[1, 2, 5, 10, 47, 94, 131, 211, 235, 262, 422, 470, 655, 1055, 1310, 2110, 6157, 9917, 12314, 19834, 27641, 30785, 49585, 55282, 61570, 99170, 138205, 276410, 1299127, 2598254, 6495635, 12991270]

約数ペア:

[(1, 12991270), (2, 6495635), (5, 2598254), (10, 1299127), (47, 276410), (94, 138205), (131, 99170), (211, 61570), (235, 55282), (262, 49585), (422, 30785), (470, 27641), (655, 19834), (1055, 12314), (1310, 9917), (2110, 6157)]