2142790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 4245696

約数和(自身を除く): 2102906

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 311, 530, 622, 689, 1378, 1555, 3110, 3445, 4043, 6890, 8086, 16483, 20215, 32966, 40430, 82415, 164830, 214279, 428558, 1071395, 2142790]

約数ペア:

[(1, 2142790), (2, 1071395), (5, 428558), (10, 214279), (13, 164830), (26, 82415), (53, 40430), (65, 32966), (106, 20215), (130, 16483), (265, 8086), (311, 6890), (530, 4043), (622, 3445), (689, 3110), (1378, 1555)]