256274018

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{18287}}^1$

素因数の和:18327

約数の個数: 48

約数和(自身を含む): 525377664

約数和(自身を除く): 269103646

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 2002, 7007, 14014, 18287, 36574, 128009, 201157, 237731, 256018, 402314, 475462, 896063, 1408099, 1664117, 1792126, 2615041, 2816198, 3328234, 5230082, 9856693, 11648819, 18305287, 19713386, 23297638, 36610574, 128137009, 256274018]

約数ペア:

[(1, 256274018), (2, 128137009), (7, 36610574), (11, 23297638), (13, 19713386), (14, 18305287), (22, 11648819), (26, 9856693), (49, 5230082), (77, 3328234), (91, 2816198), (98, 2615041), (143, 1792126), (154, 1664117), (182, 1408099), (286, 896063), (539, 475462), (637, 402314), (1001, 256018), (1078, 237731), (1274, 201157), (2002, 128009), (7007, 36574), (14014, 18287)]