248155485

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 435352320

約数和(自身を除く): 187196835

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 101, 111, 185, 233, 285, 303, 505, 555, 699, 703, 1165, 1515, 1919, 2109, 3495, 3515, 3737, 4427, 5757, 8621, 9595, 10545, 11211, 13281, 18685, 22135, 23533, 25863, 28785, 43105, 56055, 66405, 70599, 71003, 117665, 129315, 163799, 213009, 352995, 355015, 447127, 491397, 818995, 870721, 1065045, 1341381, 2235635, 2456985, 2612163, 4353605, 6706905, 13060815, 16543699, 49631097, 82718495, 248155485]

約数ペア:

[(1, 248155485), (3, 82718495), (5, 49631097), (15, 16543699), (19, 13060815), (37, 6706905), (57, 4353605), (95, 2612163), (101, 2456985), (111, 2235635), (185, 1341381), (233, 1065045), (285, 870721), (303, 818995), (505, 491397), (555, 447127), (699, 355015), (703, 352995), (1165, 213009), (1515, 163799), (1919, 129315), (2109, 117665), (3495, 71003), (3515, 70599), (3737, 66405), (4427, 56055), (5757, 43105), (8621, 28785), (9595, 25863), (10545, 23533), (11211, 22135), (13281, 18685)]