16401970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:750

約数の個数: 32

約数和(自身を含む): 31978800

約数和(自身を除く): 15576830

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 281, 449, 562, 898, 1405, 2245, 2810, 3653, 4490, 5837, 7306, 11674, 18265, 29185, 36530, 58370, 126169, 252338, 630845, 1261690, 1640197, 3280394, 8200985, 16401970]

約数ペア:

[(1, 16401970), (2, 8200985), (5, 3280394), (10, 1640197), (13, 1261690), (26, 630845), (65, 252338), (130, 126169), (281, 58370), (449, 36530), (562, 29185), (898, 18265), (1405, 11674), (2245, 7306), (2810, 5837), (3653, 4490)]