66601648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244859}}^1$

素因数の和:244884

約数の個数: 20

約数和(自身を含む): 136631880

約数和(自身を除く): 70030232

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244859, 489718, 979436, 1958872, 3917744, 4162603, 8325206, 16650412, 33300824, 66601648]

約数ペア:

[(1, 66601648), (2, 33300824), (4, 16650412), (8, 8325206), (16, 4162603), (17, 3917744), (34, 1958872), (68, 979436), (136, 489718), (272, 244859)]