42187873

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:773

約数の個数: 24

約数和(自身を含む): 53446848

約数和(自身を除く): 11258975

約数列:

[1, 7, 13, 49, 91, 103, 637, 643, 721, 1339, 4501, 5047, 8359, 9373, 31507, 58513, 65611, 66229, 409591, 463603, 860977, 3245221, 6026839, 42187873]

約数ペア:

[(1, 42187873), (7, 6026839), (13, 3245221), (49, 860977), (91, 463603), (103, 409591), (637, 66229), (643, 65611), (721, 58513), (1339, 31507), (4501, 9373), (5047, 8359)]