291014515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 422682624

約数和(自身を除く): 131668109

約数列:

[1, 5, 11, 23, 31, 41, 55, 115, 155, 181, 205, 253, 341, 451, 713, 905, 943, 1265, 1271, 1705, 1991, 2255, 3565, 4163, 4715, 5611, 6355, 7421, 7843, 9955, 10373, 13981, 20815, 28055, 29233, 37105, 39215, 45793, 51865, 61721, 69905, 81631, 129053, 146165, 170683, 228965, 230051, 308605, 321563, 408155, 645265, 853415, 1150255, 1419583, 1607815, 1877513, 2530561, 5291173, 7097915, 9387565, 12652805, 26455865, 58202903, 291014515]

約数ペア:

[(1, 291014515), (5, 58202903), (11, 26455865), (23, 12652805), (31, 9387565), (41, 7097915), (55, 5291173), (115, 2530561), (155, 1877513), (181, 1607815), (205, 1419583), (253, 1150255), (341, 853415), (451, 645265), (713, 408155), (905, 321563), (943, 308605), (1265, 230051), (1271, 228965), (1705, 170683), (1991, 146165), (2255, 129053), (3565, 81631), (4163, 69905), (4715, 61721), (5611, 51865), (6355, 45793), (7421, 39215), (7843, 37105), (9955, 29233), (10373, 28055), (13981, 20815)]