32921990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 32

約数和(自身を含む): 60886080

約数和(自身を除く): 27964090

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 521, 710, 890, 1042, 2605, 5210, 6319, 12638, 31595, 36991, 46369, 63190, 73982, 92738, 184955, 231845, 369910, 463690, 3292199, 6584398, 16460995, 32921990]

約数ペア:

[(1, 32921990), (2, 16460995), (5, 6584398), (10, 3292199), (71, 463690), (89, 369910), (142, 231845), (178, 184955), (355, 92738), (445, 73982), (521, 63190), (710, 46369), (890, 36991), (1042, 31595), (2605, 12638), (5210, 6319)]