646280892

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{2203}}^1$

素因数の和:2523

約数の個数: 72

約数和(自身を含む): 1696771440

約数和(自身を除く): 1050490548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 281, 348, 522, 562, 843, 1044, 1124, 1686, 2203, 2529, 3372, 4406, 5058, 6609, 8149, 8812, 10116, 13218, 16298, 19827, 24447, 26436, 32596, 39654, 48894, 63887, 73341, 79308, 97788, 127774, 146682, 191661, 255548, 293364, 383322, 574983, 619043, 766644, 1149966, 1238086, 1857129, 2299932, 2476172, 3714258, 5571387, 7428516, 11142774, 17952247, 22285548, 35904494, 53856741, 71808988, 107713482, 161570223, 215426964, 323140446, 646280892]

約数ペア:

[(1, 646280892), (2, 323140446), (3, 215426964), (4, 161570223), (6, 107713482), (9, 71808988), (12, 53856741), (18, 35904494), (29, 22285548), (36, 17952247), (58, 11142774), (87, 7428516), (116, 5571387), (174, 3714258), (261, 2476172), (281, 2299932), (348, 1857129), (522, 1238086), (562, 1149966), (843, 766644), (1044, 619043), (1124, 574983), (1686, 383322), (2203, 293364), (2529, 255548), (3372, 191661), (4406, 146682), (5058, 127774), (6609, 97788), (8149, 79308), (8812, 73341), (10116, 63887), (13218, 48894), (16298, 39654), (19827, 32596), (24447, 26436)]