217536475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1553}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 291356352

約数和(自身を除く): 73819877

約数列:

[1, 5, 13, 25, 65, 325, 431, 1553, 2155, 5603, 7765, 10775, 20189, 28015, 38825, 100945, 140075, 504725, 669343, 3346715, 8701459, 16733575, 43507295, 217536475]

約数ペア:

[(1, 217536475), (5, 43507295), (13, 16733575), (25, 8701459), (65, 3346715), (325, 669343), (431, 504725), (1553, 140075), (2155, 100945), (5603, 38825), (7765, 28015), (10775, 20189)]