210826805

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{40427}}^1$

素因数の和:40588

約数の個数: 16

約数和(自身を含む): 291081600

約数和(自身を除く): 80254795

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 40427, 202135, 282989, 1414945, 6023623, 30118115, 42165361, 210826805]

約数ペア:

[(1, 210826805), (5, 42165361), (7, 30118115), (35, 6023623), (149, 1414945), (745, 282989), (1043, 202135), (5215, 40427)]