201521476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73121}}^1$

素因数の和:73191

約数の個数: 24

約数和(自身を含む): 386961624

約数和(自身を除く): 185440148

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 73121, 146242, 292484, 950573, 1901146, 3802292, 3875413, 7750826, 15501652, 50380369, 100760738, 201521476]

約数ペア:

[(1, 201521476), (2, 100760738), (4, 50380369), (13, 15501652), (26, 7750826), (52, 3875413), (53, 3802292), (106, 1901146), (212, 950573), (689, 292484), (1378, 146242), (2756, 73121)]