28116998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 28008442

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 47, 91, 94, 133, 173, 182, 247, 266, 329, 346, 494, 611, 658, 893, 1211, 1222, 1729, 1786, 2249, 2422, 3287, 3458, 4277, 4498, 6251, 6574, 8131, 8554, 11609, 12502, 15743, 16262, 23009, 23218, 31486, 42731, 46018, 56917, 81263, 85462, 105703, 113834, 154489, 162526, 211406, 299117, 308978, 598234, 739921, 1081423, 1479842, 2008357, 2162846, 4016714, 14058499, 28116998]

約数ペア:

[(1, 28116998), (2, 14058499), (7, 4016714), (13, 2162846), (14, 2008357), (19, 1479842), (26, 1081423), (38, 739921), (47, 598234), (91, 308978), (94, 299117), (133, 211406), (173, 162526), (182, 154489), (247, 113834), (266, 105703), (329, 85462), (346, 81263), (494, 56917), (611, 46018), (658, 42731), (893, 31486), (1211, 23218), (1222, 23009), (1729, 16262), (1786, 15743), (2249, 12502), (2422, 11609), (3287, 8554), (3458, 8131), (4277, 6574), (4498, 6251)]