28961270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222779}}^1$

素因数の和:222799

約数の個数: 16

約数和(自身を含む): 56140560

約数和(自身を除く): 27179290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222779, 445558, 1113895, 2227790, 2896127, 5792254, 14480635, 28961270]

約数ペア:

[(1, 28961270), (2, 14480635), (5, 5792254), (10, 2896127), (13, 2227790), (26, 1113895), (65, 445558), (130, 222779)]