280079426

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{18973}}^1$

素因数の和:19058

約数の個数: 24

約数和(自身を含む): 469378812

約数和(自身を除く): 189299386

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 7381, 14762, 18973, 37946, 208703, 417406, 1157353, 2295733, 2314706, 4591466, 12730883, 25461766, 140039713, 280079426]

約数ペア:

[(1, 280079426), (2, 140039713), (11, 25461766), (22, 12730883), (61, 4591466), (121, 2314706), (122, 2295733), (242, 1157353), (671, 417406), (1342, 208703), (7381, 37946), (14762, 18973)]