988809890

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{883}}^1\times {\mathrm{991}}^1$

素因数の和:1994

約数の個数: 32

約数和(自身を含む): 1799456256

約数和(自身を除く): 810646366

約数列:

[1, 2, 5, 10, 113, 226, 565, 883, 991, 1130, 1766, 1982, 4415, 4955, 8830, 9910, 99779, 111983, 199558, 223966, 498895, 559915, 875053, 997790, 1119830, 1750106, 4375265, 8750530, 98880989, 197761978, 494404945, 988809890]

約数ペア:

[(1, 988809890), (2, 494404945), (5, 197761978), (10, 98880989), (113, 8750530), (226, 4375265), (565, 1750106), (883, 1119830), (991, 997790), (1130, 875053), (1766, 559915), (1982, 498895), (4415, 223966), (4955, 199558), (8830, 111983), (9910, 99779)]