66555970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 134791776

約数和(自身を除く): 68235806

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 101, 130, 137, 185, 202, 274, 370, 481, 505, 685, 962, 1010, 1313, 1370, 1781, 2405, 2626, 3562, 3737, 4810, 5069, 6565, 7474, 8905, 10138, 13130, 13837, 17810, 18685, 25345, 27674, 37370, 48581, 50690, 65897, 69185, 97162, 131794, 138370, 179881, 242905, 329485, 359762, 485810, 511969, 658970, 899405, 1023938, 1798810, 2559845, 5119690, 6655597, 13311194, 33277985, 66555970]

約数ペア:

[(1, 66555970), (2, 33277985), (5, 13311194), (10, 6655597), (13, 5119690), (26, 2559845), (37, 1798810), (65, 1023938), (74, 899405), (101, 658970), (130, 511969), (137, 485810), (185, 359762), (202, 329485), (274, 242905), (370, 179881), (481, 138370), (505, 131794), (685, 97162), (962, 69185), (1010, 65897), (1313, 50690), (1370, 48581), (1781, 37370), (2405, 27674), (2626, 25345), (3562, 18685), (3737, 17810), (4810, 13837), (5069, 13130), (6565, 10138), (7474, 8905)]