401858015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{150791}}^1$

素因数の和:150850

約数の個数: 16

約数和(自身を含む): 531994176

約数和(自身を除く): 130136161

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 150791, 753955, 1960283, 6182431, 9801415, 30912155, 80371603, 401858015]

約数ペア:

[(1, 401858015), (5, 80371603), (13, 30912155), (41, 9801415), (65, 6182431), (205, 1960283), (533, 753955), (2665, 150791)]