201220568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{991}}^1\times {\mathrm{1493}}^1$

素因数の和:2507

約数の個数: 32

約数和(自身を含む): 400152960

約数和(自身を除く): 198932392

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 991, 1493, 1982, 2986, 3964, 5972, 7928, 11944, 16847, 25381, 33694, 50762, 67388, 101524, 134776, 203048, 1479563, 2959126, 5918252, 11836504, 25152571, 50305142, 100610284, 201220568]

約数ペア:

[(1, 201220568), (2, 100610284), (4, 50305142), (8, 25152571), (17, 11836504), (34, 5918252), (68, 2959126), (136, 1479563), (991, 203048), (1493, 134776), (1982, 101524), (2986, 67388), (3964, 50762), (5972, 33694), (7928, 25381), (11944, 16847)]