68401438

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 130940928

約数和(自身を除く): 62539490

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 73, 119, 127, 146, 217, 238, 254, 434, 511, 527, 889, 1022, 1054, 1241, 1778, 2159, 2263, 2482, 3689, 3937, 4318, 4526, 7378, 7874, 8687, 9271, 15113, 15841, 17374, 18542, 27559, 30226, 31682, 38471, 55118, 64897, 66929, 76942, 129794, 133858, 157607, 269297, 287401, 315214, 468503, 538594, 574802, 937006, 1103249, 2011807, 2206498, 4023614, 4885817, 9771634, 34200719, 68401438]

約数ペア:

[(1, 68401438), (2, 34200719), (7, 9771634), (14, 4885817), (17, 4023614), (31, 2206498), (34, 2011807), (62, 1103249), (73, 937006), (119, 574802), (127, 538594), (146, 468503), (217, 315214), (238, 287401), (254, 269297), (434, 157607), (511, 133858), (527, 129794), (889, 76942), (1022, 66929), (1054, 64897), (1241, 55118), (1778, 38471), (2159, 31682), (2263, 30226), (2482, 27559), (3689, 18542), (3937, 17374), (4318, 15841), (4526, 15113), (7378, 9271), (7874, 8687)]