247849778876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{14947}}^1$

素因数の和:15487

約数の個数: 96

約数和(自身を含む): 530378956800

約数和(自身を除く): 282529177924

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 439, 497, 532, 878, 994, 1349, 1756, 1988, 2698, 3073, 5396, 6146, 8341, 9443, 12292, 14947, 16682, 18886, 29894, 31169, 33364, 37772, 58387, 59788, 62338, 104629, 116774, 124676, 209258, 218183, 233548, 283993, 418516, 436366, 567986, 592211, 872732, 1061237, 1135972, 1184422, 1987951, 2122474, 2368844, 3975902, 4145477, 4244948, 6561733, 7428659, 7951804, 8290954, 13123466, 14857318, 16581908, 20163503, 26246932, 29714636, 40327006, 45932131, 80654012, 91864262, 124672927, 141144521, 183728524, 249345854, 282289042, 465883043, 498691708, 564578084, 872710489, 931766086, 1745420978, 1863532172, 3261181301, 3490841956, 6522362602, 8851777817, 13044725204, 17703555634, 35407111268, 61962444719, 123924889438, 247849778876]

約数ペア:

[(1, 247849778876), (2, 123924889438), (4, 61962444719), (7, 35407111268), (14, 17703555634), (19, 13044725204), (28, 8851777817), (38, 6522362602), (71, 3490841956), (76, 3261181301), (133, 1863532172), (142, 1745420978), (266, 931766086), (284, 872710489), (439, 564578084), (497, 498691708), (532, 465883043), (878, 282289042), (994, 249345854), (1349, 183728524), (1756, 141144521), (1988, 124672927), (2698, 91864262), (3073, 80654012), (5396, 45932131), (6146, 40327006), (8341, 29714636), (9443, 26246932), (12292, 20163503), (14947, 16581908), (16682, 14857318), (18886, 13123466), (29894, 8290954), (31169, 7951804), (33364, 7428659), (37772, 6561733), (58387, 4244948), (59788, 4145477), (62338, 3975902), (104629, 2368844), (116774, 2122474), (124676, 1987951), (209258, 1184422), (218183, 1135972), (233548, 1061237), (283993, 872732), (418516, 592211), (436366, 567986)]