290563984

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{463}}^1\times {\mathrm{643}}^1$

素因数の和:1175

約数の個数: 40

約数和(自身を含む): 574324352

約数和(自身を除く): 283760368

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 463, 488, 643, 926, 976, 1286, 1852, 2572, 3704, 5144, 7408, 10288, 28243, 39223, 56486, 78446, 112972, 156892, 225944, 297709, 313784, 451888, 595418, 627568, 1190836, 2381672, 4763344, 18160249, 36320498, 72640996, 145281992, 290563984]

約数ペア:

[(1, 290563984), (2, 145281992), (4, 72640996), (8, 36320498), (16, 18160249), (61, 4763344), (122, 2381672), (244, 1190836), (463, 627568), (488, 595418), (643, 451888), (926, 313784), (976, 297709), (1286, 225944), (1852, 156892), (2572, 112972), (3704, 78446), (5144, 56486), (7408, 39223), (10288, 28243)]