987549890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{305743}}^1$

素因数の和:305786

約数の個数: 32

約数和(自身を含む): 1981221120

約数和(自身を除く): 993671230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 305743, 611486, 1528715, 3057430, 5197631, 5809117, 10395262, 11618234, 25988155, 29045585, 51976310, 58091170, 98754989, 197509978, 493774945, 987549890]

約数ペア:

[(1, 987549890), (2, 493774945), (5, 197509978), (10, 98754989), (17, 58091170), (19, 51976310), (34, 29045585), (38, 25988155), (85, 11618234), (95, 10395262), (170, 5809117), (190, 5197631), (323, 3057430), (646, 1528715), (1615, 611486), (3230, 305743)]