1288654315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 1855598976

約数和(自身を除く): 566944661

約数列:

[1, 5, 13, 17, 37, 43, 65, 85, 185, 215, 221, 481, 559, 629, 731, 733, 1105, 1591, 2405, 2795, 3145, 3655, 3665, 7955, 8177, 9503, 9529, 12461, 20683, 27047, 27121, 31519, 40885, 47515, 47645, 62305, 103415, 135235, 135605, 157595, 161993, 351611, 352573, 409747, 461057, 535823, 809965, 1166203, 1758055, 1762865, 2048735, 2305285, 2679115, 5831015, 5993741, 6965699, 15160639, 19825451, 29968705, 34828495, 75803195, 99127255, 257730863, 1288654315]

約数ペア:

[(1, 1288654315), (5, 257730863), (13, 99127255), (17, 75803195), (37, 34828495), (43, 29968705), (65, 19825451), (85, 15160639), (185, 6965699), (215, 5993741), (221, 5831015), (481, 2679115), (559, 2305285), (629, 2048735), (731, 1762865), (733, 1758055), (1105, 1166203), (1591, 809965), (2405, 535823), (2795, 461057), (3145, 409747), (3655, 352573), (3665, 351611), (7955, 161993), (8177, 157595), (9503, 135605), (9529, 135235), (12461, 103415), (20683, 62305), (27047, 47645), (27121, 47515), (31519, 40885)]