649796238

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20879}}^1$

素因数の和:20926

約数の個数: 96

約数和(自身を含む): 1824076800

約数和(自身を除く): 1174280562

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 399, 494, 546, 741, 798, 819, 1197, 1482, 1638, 1729, 2223, 2394, 3458, 4446, 5187, 10374, 15561, 20879, 31122, 41758, 62637, 125274, 146153, 187911, 271427, 292306, 375822, 396701, 438459, 542854, 793402, 814281, 876918, 1190103, 1315377, 1628562, 1899989, 2380206, 2442843, 2630754, 2776907, 3570309, 3799978, 4885686, 5157113, 5553814, 5699967, 7140618, 8330721, 10314226, 11399934, 15471339, 16661442, 17099901, 24992163, 30942678, 34199802, 36099791, 46414017, 49984326, 72199582, 92828034, 108299373, 216598746, 324898119, 649796238]

約数ペア:

[(1, 649796238), (2, 324898119), (3, 216598746), (6, 108299373), (7, 92828034), (9, 72199582), (13, 49984326), (14, 46414017), (18, 36099791), (19, 34199802), (21, 30942678), (26, 24992163), (38, 17099901), (39, 16661442), (42, 15471339), (57, 11399934), (63, 10314226), (78, 8330721), (91, 7140618), (114, 5699967), (117, 5553814), (126, 5157113), (133, 4885686), (171, 3799978), (182, 3570309), (234, 2776907), (247, 2630754), (266, 2442843), (273, 2380206), (342, 1899989), (399, 1628562), (494, 1315377), (546, 1190103), (741, 876918), (798, 814281), (819, 793402), (1197, 542854), (1482, 438459), (1638, 396701), (1729, 375822), (2223, 292306), (2394, 271427), (3458, 187911), (4446, 146153), (5187, 125274), (10374, 62637), (15561, 41758), (20879, 31122)]