72164365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{797}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 107251200

約数和(自身を除く): 35086835

約数列:

[1, 5, 7, 13, 35, 65, 91, 199, 455, 797, 995, 1393, 2587, 3985, 5579, 6965, 10361, 12935, 18109, 27895, 51805, 72527, 90545, 158603, 362635, 793015, 1110221, 2061839, 5551105, 10309195, 14432873, 72164365]

約数ペア:

[(1, 72164365), (5, 14432873), (7, 10309195), (13, 5551105), (35, 2061839), (65, 1110221), (91, 793015), (199, 362635), (455, 158603), (797, 90545), (995, 72527), (1393, 51805), (2587, 27895), (3985, 18109), (5579, 12935), (6965, 10361)]