31618210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:439

約数の個数: 48

約数和(自身を含む): 62968104

約数和(自身を除く): 31349894

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 169, 265, 338, 353, 530, 689, 706, 845, 1378, 1690, 1765, 3445, 3530, 4589, 6890, 8957, 9178, 17914, 18709, 22945, 37418, 44785, 45890, 59657, 89570, 93545, 119314, 187090, 243217, 298285, 486434, 596570, 1216085, 2432170, 3161821, 6323642, 15809105, 31618210]

約数ペア:

[(1, 31618210), (2, 15809105), (5, 6323642), (10, 3161821), (13, 2432170), (26, 1216085), (53, 596570), (65, 486434), (106, 298285), (130, 243217), (169, 187090), (265, 119314), (338, 93545), (353, 89570), (530, 59657), (689, 45890), (706, 44785), (845, 37418), (1378, 22945), (1690, 18709), (1765, 17914), (3445, 9178), (3530, 8957), (4589, 6890)]