207883975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7187}}^1$

素因数の和:7299

約数の個数: 24

約数和(自身を含む): 280763280

約数和(自身を除く): 72879305

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 5785, 7187, 28925, 35935, 93431, 179675, 467155, 639643, 2335775, 3198215, 8315359, 15991075, 41576795, 207883975]

約数ペア:

[(1, 207883975), (5, 41576795), (13, 15991075), (25, 8315359), (65, 3198215), (89, 2335775), (325, 639643), (445, 467155), (1157, 179675), (2225, 93431), (5785, 35935), (7187, 28925)]