1398556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 2627856

約数和(自身を除く): 1229300

約数列:

[1, 2, 4, 17, 34, 68, 131, 157, 262, 314, 524, 628, 2227, 2669, 4454, 5338, 8908, 10676, 20567, 41134, 82268, 349639, 699278, 1398556]

約数ペア:

[(1, 1398556), (2, 699278), (4, 349639), (17, 82268), (34, 41134), (68, 20567), (131, 10676), (157, 8908), (262, 5338), (314, 4454), (524, 2669), (628, 2227)]