26638758

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 59744256

約数和(自身を除く): 33105498

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 127, 129, 254, 258, 271, 381, 387, 542, 762, 774, 813, 1143, 1626, 2286, 2439, 4878, 5461, 10922, 11653, 16383, 23306, 32766, 34417, 34959, 49149, 68834, 69918, 98298, 103251, 104877, 206502, 209754, 309753, 619506, 1479931, 2959862, 4439793, 8879586, 13319379, 26638758]

約数ペア:

[(1, 26638758), (2, 13319379), (3, 8879586), (6, 4439793), (9, 2959862), (18, 1479931), (43, 619506), (86, 309753), (127, 209754), (129, 206502), (254, 104877), (258, 103251), (271, 98298), (381, 69918), (387, 68834), (542, 49149), (762, 34959), (774, 34417), (813, 32766), (1143, 23306), (1626, 16383), (2286, 11653), (2439, 10922), (4878, 5461)]