25886588

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 59143392

約数和(自身を除く): 33256804

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 197, 247, 266, 361, 364, 394, 494, 532, 722, 788, 988, 1379, 1444, 1729, 2527, 2561, 2758, 3458, 3743, 4693, 5054, 5122, 5516, 6916, 7486, 9386, 10108, 10244, 14972, 17927, 18772, 26201, 32851, 35854, 48659, 52402, 65702, 71117, 71708, 97318, 104804, 131404, 142234, 194636, 284468, 340613, 497819, 681226, 924521, 995638, 1362452, 1849042, 1991276, 3698084, 6471647, 12943294, 25886588]

約数ペア:

[(1, 25886588), (2, 12943294), (4, 6471647), (7, 3698084), (13, 1991276), (14, 1849042), (19, 1362452), (26, 995638), (28, 924521), (38, 681226), (52, 497819), (76, 340613), (91, 284468), (133, 194636), (182, 142234), (197, 131404), (247, 104804), (266, 97318), (361, 71708), (364, 71117), (394, 65702), (494, 52402), (532, 48659), (722, 35854), (788, 32851), (988, 26201), (1379, 18772), (1444, 17927), (1729, 14972), (2527, 10244), (2561, 10108), (2758, 9386), (3458, 7486), (3743, 6916), (4693, 5516), (5054, 5122)]