28031718

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:949

約数の個数: 64

約数和(自身を含む): 67721472

約数和(自身を除く): 39689754

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 37, 39, 66, 74, 78, 111, 143, 222, 286, 407, 429, 481, 814, 858, 883, 962, 1221, 1443, 1766, 2442, 2649, 2886, 5291, 5298, 9713, 10582, 11479, 15873, 19426, 22958, 29139, 31746, 32671, 34437, 58278, 65342, 68874, 98013, 126269, 196026, 252538, 359381, 378807, 424723, 718762, 757614, 849446, 1078143, 1274169, 2156286, 2548338, 4671953, 9343906, 14015859, 28031718]

約数ペア:

[(1, 28031718), (2, 14015859), (3, 9343906), (6, 4671953), (11, 2548338), (13, 2156286), (22, 1274169), (26, 1078143), (33, 849446), (37, 757614), (39, 718762), (66, 424723), (74, 378807), (78, 359381), (111, 252538), (143, 196026), (222, 126269), (286, 98013), (407, 68874), (429, 65342), (481, 58278), (814, 34437), (858, 32671), (883, 31746), (962, 29139), (1221, 22958), (1443, 19426), (1766, 15873), (2442, 11479), (2649, 10582), (2886, 9713), (5291, 5298)]