66776255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 106686720

約数和(自身を除く): 39910465

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 89, 91, 97, 119, 221, 445, 455, 485, 595, 623, 679, 1105, 1157, 1261, 1513, 1547, 1649, 3115, 3395, 5785, 6305, 7565, 7735, 8099, 8245, 8633, 8827, 10591, 11543, 19669, 21437, 40495, 43165, 44135, 52955, 57715, 60431, 98345, 107185, 112229, 137683, 146761, 150059, 302155, 561145, 688415, 733805, 750295, 785603, 1027327, 1907893, 3928015, 5136635, 9539465, 13355251, 66776255]

約数ペア:

[(1, 66776255), (5, 13355251), (7, 9539465), (13, 5136635), (17, 3928015), (35, 1907893), (65, 1027327), (85, 785603), (89, 750295), (91, 733805), (97, 688415), (119, 561145), (221, 302155), (445, 150059), (455, 146761), (485, 137683), (595, 112229), (623, 107185), (679, 98345), (1105, 60431), (1157, 57715), (1261, 52955), (1513, 44135), (1547, 43165), (1649, 40495), (3115, 21437), (3395, 19669), (5785, 11543), (6305, 10591), (7565, 8827), (7735, 8633), (8099, 8245)]