68205904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19289}}^1$

素因数の和:19327

約数の個数: 40

約数和(自身を含む): 150693480

約数和(自身を除く): 82487576

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 19289, 38578, 77156, 154312, 250757, 308624, 327913, 501514, 655826, 1003028, 1311652, 2006056, 2623304, 4012112, 4262869, 5246608, 8525738, 17051476, 34102952, 68205904]

約数ペア:

[(1, 68205904), (2, 34102952), (4, 17051476), (8, 8525738), (13, 5246608), (16, 4262869), (17, 4012112), (26, 2623304), (34, 2006056), (52, 1311652), (68, 1003028), (104, 655826), (136, 501514), (208, 327913), (221, 308624), (272, 250757), (442, 154312), (884, 77156), (1768, 38578), (3536, 19289)]