86821956

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{6871}}^1$

素因数の和:6903

約数の個数: 72

約数和(自身を含む): 245137984

約数和(自身を除く): 158316028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 6871, 12636, 13742, 20613, 27484, 41226, 61839, 82452, 89323, 123678, 178646, 185517, 247356, 267969, 357292, 371034, 535938, 556551, 742068, 803907, 1071876, 1113102, 1607814, 1669653, 2226204, 2411721, 3215628, 3339306, 4823442, 6678612, 7235163, 9646884, 14470326, 21705489, 28940652, 43410978, 86821956]

約数ペア:

[(1, 86821956), (2, 43410978), (3, 28940652), (4, 21705489), (6, 14470326), (9, 9646884), (12, 7235163), (13, 6678612), (18, 4823442), (26, 3339306), (27, 3215628), (36, 2411721), (39, 2226204), (52, 1669653), (54, 1607814), (78, 1113102), (81, 1071876), (108, 803907), (117, 742068), (156, 556551), (162, 535938), (234, 371034), (243, 357292), (324, 267969), (351, 247356), (468, 185517), (486, 178646), (702, 123678), (972, 89323), (1053, 82452), (1404, 61839), (2106, 41226), (3159, 27484), (4212, 20613), (6318, 13742), (6871, 12636)]