28040238

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:693

約数の個数: 48

約数和(自身を含む): 64471680

約数和(自身を除く): 36431442

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 163, 171, 326, 342, 489, 503, 978, 1006, 1467, 1509, 2934, 3018, 3097, 4527, 6194, 9054, 9291, 9557, 18582, 19114, 27873, 28671, 55746, 57342, 81989, 86013, 163978, 172026, 245967, 491934, 737901, 1475802, 1557791, 3115582, 4673373, 9346746, 14020119, 28040238]

約数ペア:

[(1, 28040238), (2, 14020119), (3, 9346746), (6, 4673373), (9, 3115582), (18, 1557791), (19, 1475802), (38, 737901), (57, 491934), (114, 245967), (163, 172026), (171, 163978), (326, 86013), (342, 81989), (489, 57342), (503, 55746), (978, 28671), (1006, 27873), (1467, 19114), (1509, 18582), (2934, 9557), (3018, 9291), (3097, 9054), (4527, 6194)]