131223356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{27361}}^1$

素因数の和:27485

約数の個数: 24

約数和(自身を含む): 252824880

約数和(自身を除く): 121601524

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 27361, 54722, 109444, 300971, 601942, 1203884, 2982349, 5964698, 11929396, 32805839, 65611678, 131223356]

約数ペア:

[(1, 131223356), (2, 65611678), (4, 32805839), (11, 11929396), (22, 5964698), (44, 2982349), (109, 1203884), (218, 601942), (436, 300971), (1199, 109444), (2398, 54722), (4796, 27361)]