1218204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 3516240

約数和(自身を除く): 2298036

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 137, 156, 171, 228, 234, 247, 274, 342, 411, 468, 494, 548, 684, 741, 822, 988, 1233, 1482, 1644, 1781, 2223, 2466, 2603, 2964, 3562, 4446, 4932, 5206, 5343, 7124, 7809, 8892, 10412, 10686, 15618, 16029, 21372, 23427, 31236, 32058, 33839, 46854, 64116, 67678, 93708, 101517, 135356, 203034, 304551, 406068, 609102, 1218204]

約数ペア:

[(1, 1218204), (2, 609102), (3, 406068), (4, 304551), (6, 203034), (9, 135356), (12, 101517), (13, 93708), (18, 67678), (19, 64116), (26, 46854), (36, 33839), (38, 32058), (39, 31236), (52, 23427), (57, 21372), (76, 16029), (78, 15618), (114, 10686), (117, 10412), (137, 8892), (156, 7809), (171, 7124), (228, 5343), (234, 5206), (247, 4932), (274, 4446), (342, 3562), (411, 2964), (468, 2603), (494, 2466), (548, 2223), (684, 1781), (741, 1644), (822, 1482), (988, 1233)]