2690038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:831

約数の個数: 16

約数和(自身を含む): 4379760

約数和(自身を除く): 1689722

約数列:

[1, 2, 13, 26, 157, 314, 659, 1318, 2041, 4082, 8567, 17134, 103463, 206926, 1345019, 2690038]

約数ペア:

[(1, 2690038), (2, 1345019), (13, 206926), (26, 103463), (157, 17134), (314, 8567), (659, 4082), (1318, 2041)]