31118945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{613}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 44561664

約数和(自身を除く): 13442719

約数列:

[1, 5, 11, 13, 55, 65, 71, 143, 355, 613, 715, 781, 923, 3065, 3905, 4615, 6743, 7969, 10153, 33715, 39845, 43523, 50765, 87659, 217615, 438295, 478753, 565799, 2393765, 2828995, 6223789, 31118945]

約数ペア:

[(1, 31118945), (5, 6223789), (11, 2828995), (13, 2393765), (55, 565799), (65, 478753), (71, 438295), (143, 217615), (355, 87659), (613, 50765), (715, 43523), (781, 39845), (923, 33715), (3065, 10153), (3905, 7969), (4615, 6743)]