31998710

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{439}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 59590080

約数和(自身を除く): 27591370

約数列:

[1, 2, 5, 10, 37, 74, 185, 197, 370, 394, 439, 878, 985, 1970, 2195, 4390, 7289, 14578, 16243, 32486, 36445, 72890, 81215, 86483, 162430, 172966, 432415, 864830, 3199871, 6399742, 15999355, 31998710]

約数ペア:

[(1, 31998710), (2, 15999355), (5, 6399742), (10, 3199871), (37, 864830), (74, 432415), (185, 172966), (197, 162430), (370, 86483), (394, 81215), (439, 72890), (878, 36445), (985, 32486), (1970, 16243), (2195, 14578), (4390, 7289)]