31389172

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1619}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 56881440

約数和(自身を除く): 25492268

約数列:

[1, 2, 4, 37, 74, 131, 148, 262, 524, 1619, 3238, 4847, 6476, 9694, 19388, 59903, 119806, 212089, 239612, 424178, 848356, 7847293, 15694586, 31389172]

約数ペア:

[(1, 31389172), (2, 15694586), (4, 7847293), (37, 848356), (74, 424178), (131, 239612), (148, 212089), (262, 119806), (524, 59903), (1619, 19388), (3238, 9694), (4847, 6476)]