64771777

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:590

約数の個数: 20

約数和(自身を含む): 77139540

約数和(自身を除く): 12367763

約数列:

[1, 7, 49, 53, 343, 371, 509, 2401, 2597, 3563, 18179, 24941, 26977, 127253, 174587, 188839, 1222109, 1321873, 9253111, 64771777]

約数ペア:

[(1, 64771777), (7, 9253111), (49, 1321873), (53, 1222109), (343, 188839), (371, 174587), (509, 127253), (2401, 26977), (2597, 24941), (3563, 18179)]