28091270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{90617}}^1$

素因数の和:90655

約数の個数: 16

約数和(自身を含む): 52195968

約数和(自身を除く): 24104698

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 90617, 181234, 453085, 906170, 2809127, 5618254, 14045635, 28091270]

約数ペア:

[(1, 28091270), (2, 14045635), (5, 5618254), (10, 2809127), (31, 906170), (62, 453085), (155, 181234), (310, 90617)]