208490724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23447}}^1$

素因数の和:23489

約数の個数: 72

約数和(自身を含む): 597455040

約数和(自身を除く): 388964316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 23447, 46894, 70341, 93788, 140682, 211023, 281364, 304811, 422046, 445493, 609622, 844092, 890986, 914433, 1219244, 1336479, 1781972, 1828866, 2672958, 2743299, 3657732, 4009437, 5345916, 5486598, 5791409, 8018874, 10973196, 11582818, 16037748, 17374227, 23165636, 34748454, 52122681, 69496908, 104245362, 208490724]

約数ペア:

[(1, 208490724), (2, 104245362), (3, 69496908), (4, 52122681), (6, 34748454), (9, 23165636), (12, 17374227), (13, 16037748), (18, 11582818), (19, 10973196), (26, 8018874), (36, 5791409), (38, 5486598), (39, 5345916), (52, 4009437), (57, 3657732), (76, 2743299), (78, 2672958), (114, 1828866), (117, 1781972), (156, 1336479), (171, 1219244), (228, 914433), (234, 890986), (247, 844092), (342, 609622), (468, 445493), (494, 422046), (684, 304811), (741, 281364), (988, 211023), (1482, 140682), (2223, 93788), (2964, 70341), (4446, 46894), (8892, 23447)]