31480724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{8039}}^1$

素因数の和:8143

約数の個数: 24

約数和(自身を含む): 60782400

約数和(自身を除く): 29301676

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 8039, 16078, 32156, 88429, 176858, 353716, 715471, 1430942, 2861884, 7870181, 15740362, 31480724]

約数ペア:

[(1, 31480724), (2, 15740362), (4, 7870181), (11, 2861884), (22, 1430942), (44, 715471), (89, 353716), (178, 176858), (356, 88429), (979, 32156), (1958, 16078), (3916, 8039)]