1277271490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11611559}}^1$

素因数の和:11611577

約数の個数: 16

約数和(自身を含む): 2508096960

約数和(自身を除く): 1230825470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 11611559, 23223118, 58057795, 116115590, 127727149, 255454298, 638635745, 1277271490]

約数ペア:

[(1, 1277271490), (2, 638635745), (5, 255454298), (10, 127727149), (11, 116115590), (22, 58057795), (55, 23223118), (110, 11611559)]