898987910

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{43283}}^1$

素因数の和:43388

約数の個数: 32

約数和(自身を含む): 1695347712

約数和(自身を除く): 796359802

約数列:

[1, 2, 5, 10, 31, 62, 67, 134, 155, 310, 335, 670, 2077, 4154, 10385, 20770, 43283, 86566, 216415, 432830, 1341773, 2683546, 2899961, 5799922, 6708865, 13417730, 14499805, 28999610, 89898791, 179797582, 449493955, 898987910]

約数ペア:

[(1, 898987910), (2, 449493955), (5, 179797582), (10, 89898791), (31, 28999610), (62, 14499805), (67, 13417730), (134, 6708865), (155, 5799922), (310, 2899961), (335, 2683546), (670, 1341773), (2077, 432830), (4154, 216415), (10385, 86566), (20770, 43283)]