247968287

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 306561024

約数和(自身を除く): 58592737

約数列:

[1, 7, 31, 41, 47, 217, 287, 329, 593, 1271, 1457, 1927, 4151, 8897, 10199, 13489, 18383, 24313, 27871, 59737, 128681, 170191, 195097, 418159, 753703, 864001, 1142711, 5275921, 6048007, 7998977, 35424041, 247968287]

約数ペア:

[(1, 247968287), (7, 35424041), (31, 7998977), (41, 6048007), (47, 5275921), (217, 1142711), (287, 864001), (329, 753703), (593, 418159), (1271, 195097), (1457, 170191), (1927, 128681), (4151, 59737), (8897, 27871), (10199, 24313), (13489, 18383)]