16144775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{829}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 21613200

約数和(自身を除く): 5468425

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 829, 1025, 3895, 4145, 15751, 19475, 20725, 33989, 78755, 169945, 393775, 645791, 849725, 3228955, 16144775]

約数ペア:

[(1, 16144775), (5, 3228955), (19, 849725), (25, 645791), (41, 393775), (95, 169945), (205, 78755), (475, 33989), (779, 20725), (829, 19475), (1025, 15751), (3895, 4145)]