261546194

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{307}}^1$

素因数の和:511

約数の個数: 64

約数和(自身を含む): 503365632

約数和(自身を除く): 241819438

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 151, 182, 217, 302, 307, 403, 434, 614, 806, 1057, 1963, 2114, 2149, 2821, 3926, 3991, 4298, 4681, 5642, 7982, 9362, 9517, 13741, 19034, 27482, 27937, 32767, 46357, 55874, 60853, 65534, 66619, 92714, 121706, 123721, 133238, 247442, 324499, 425971, 602641, 648998, 851942, 866047, 1205282, 1437067, 1732094, 2874134, 4218487, 8436974, 10059469, 18681871, 20118938, 37363742, 130773097, 261546194]

約数ペア:

[(1, 261546194), (2, 130773097), (7, 37363742), (13, 20118938), (14, 18681871), (26, 10059469), (31, 8436974), (62, 4218487), (91, 2874134), (151, 1732094), (182, 1437067), (217, 1205282), (302, 866047), (307, 851942), (403, 648998), (434, 602641), (614, 425971), (806, 324499), (1057, 247442), (1963, 133238), (2114, 123721), (2149, 121706), (2821, 92714), (3926, 66619), (3991, 65534), (4298, 60853), (4681, 55874), (5642, 46357), (7982, 32767), (9362, 27937), (9517, 27482), (13741, 19034)]