90995905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18181}}^1$

素因数の和:18217

約数の個数: 32

約数和(自身を含む): 146619648

約数和(自身を除く): 55623743

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 18181, 90905, 127267, 199991, 236353, 636335, 999955, 1181765, 1399937, 1654471, 2599883, 6999685, 8272355, 12999415, 18199181, 90995905]

約数ペア:

[(1, 90995905), (5, 18199181), (7, 12999415), (11, 8272355), (13, 6999685), (35, 2599883), (55, 1654471), (65, 1399937), (77, 1181765), (91, 999955), (143, 636335), (385, 236353), (455, 199991), (715, 127267), (1001, 90905), (5005, 18181)]