685316282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 1268213760

約数和(自身を除く): 582897478

約数列:

[1, 2, 7, 14, 19, 38, 71, 131, 133, 142, 262, 266, 277, 497, 554, 917, 994, 1349, 1834, 1939, 2489, 2698, 3878, 4978, 5263, 9301, 9443, 10526, 17423, 18602, 18886, 19667, 34846, 36287, 36841, 39334, 65107, 72574, 73682, 130214, 137669, 176719, 254009, 275338, 353438, 373673, 508018, 689453, 747346, 1237033, 1378906, 2474066, 2576377, 2615711, 4826171, 5152754, 5231422, 9652342, 18034639, 36069278, 48951163, 97902326, 342658141, 685316282]

約数ペア:

[(1, 685316282), (2, 342658141), (7, 97902326), (14, 48951163), (19, 36069278), (38, 18034639), (71, 9652342), (131, 5231422), (133, 5152754), (142, 4826171), (262, 2615711), (266, 2576377), (277, 2474066), (497, 1378906), (554, 1237033), (917, 747346), (994, 689453), (1349, 508018), (1834, 373673), (1939, 353438), (2489, 275338), (2698, 254009), (3878, 176719), (4978, 137669), (5263, 130214), (9301, 73682), (9443, 72574), (10526, 65107), (17423, 39334), (18602, 36841), (18886, 36287), (19667, 34846)]