201516865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{947}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 272750976

約数和(自身を除く): 71234111

約数列:

[1, 5, 11, 53, 55, 73, 265, 365, 583, 803, 947, 2915, 3869, 4015, 4735, 10417, 19345, 42559, 50191, 52085, 69131, 212795, 250955, 345655, 552101, 760441, 2760505, 3663943, 3802205, 18319715, 40303373, 201516865]

約数ペア:

[(1, 201516865), (5, 40303373), (11, 18319715), (53, 3802205), (55, 3663943), (73, 2760505), (265, 760441), (365, 552101), (583, 345655), (803, 250955), (947, 212795), (2915, 69131), (3869, 52085), (4015, 50191), (4735, 42559), (10417, 19345)]