13321730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 25194240

約数和(自身を除く): 11872510

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 647, 710, 1294, 2059, 3235, 4118, 6470, 10295, 18763, 20590, 37526, 45937, 91874, 93815, 187630, 229685, 459370, 1332173, 2664346, 6660865, 13321730]

約数ペア:

[(1, 13321730), (2, 6660865), (5, 2664346), (10, 1332173), (29, 459370), (58, 229685), (71, 187630), (142, 93815), (145, 91874), (290, 45937), (355, 37526), (647, 20590), (710, 18763), (1294, 10295), (2059, 6470), (3235, 4118)]