642354.0000000

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 7521696

約数和(自身を除く): 1842581

約数列:

[1, 5, 13, 41, 65, 205, 533, 2131, 2665, 10655, 27703, 87371, 138515, 436855, 1135823, 5679115]

約数ペア:

[(1, 5679115), (5, 1135823), (13, 436855), (41, 138515), (65, 87371), (205, 27703), (533, 10655), (2131, 2665)]