71995990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{654509}}^1$

素因数の和:654527

約数の個数: 16

約数和(自身を含む): 141374160

約数和(自身を除く): 69378170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 654509, 1309018, 3272545, 6545090, 7199599, 14399198, 35997995, 71995990]

約数ペア:

[(1, 71995990), (2, 35997995), (5, 14399198), (10, 7199599), (11, 6545090), (22, 3272545), (55, 1309018), (110, 654509)]