254735478

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 573721200

約数和(自身を除く): 318985722

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 229, 261, 458, 522, 687, 1374, 2061, 2131, 4122, 4262, 6393, 6641, 12786, 13282, 19179, 19923, 38358, 39846, 59769, 61799, 119538, 123598, 185397, 370794, 487999, 556191, 975998, 1112382, 1463997, 2927994, 4391991, 8783982, 14151971, 28303942, 42455913, 84911826, 127367739, 254735478]

約数ペア:

[(1, 254735478), (2, 127367739), (3, 84911826), (6, 42455913), (9, 28303942), (18, 14151971), (29, 8783982), (58, 4391991), (87, 2927994), (174, 1463997), (229, 1112382), (261, 975998), (458, 556191), (522, 487999), (687, 370794), (1374, 185397), (2061, 123598), (2131, 119538), (4122, 61799), (4262, 59769), (6393, 39846), (6641, 38358), (12786, 19923), (13282, 19179)]