81146916

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1979}}^1$

素因数の和:2073

約数の個数: 72

約数和(自身を含む): 220540320

約数和(自身を除く): 139393404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 67, 68, 102, 134, 153, 201, 204, 268, 306, 402, 603, 612, 804, 1139, 1206, 1979, 2278, 2412, 3417, 3958, 4556, 5937, 6834, 7916, 10251, 11874, 13668, 17811, 20502, 23748, 33643, 35622, 41004, 67286, 71244, 100929, 132593, 134572, 201858, 265186, 302787, 397779, 403716, 530372, 605574, 795558, 1193337, 1211148, 1591116, 2254081, 2386674, 4508162, 4773348, 6762243, 9016324, 13524486, 20286729, 27048972, 40573458, 81146916]

約数ペア:

[(1, 81146916), (2, 40573458), (3, 27048972), (4, 20286729), (6, 13524486), (9, 9016324), (12, 6762243), (17, 4773348), (18, 4508162), (34, 2386674), (36, 2254081), (51, 1591116), (67, 1211148), (68, 1193337), (102, 795558), (134, 605574), (153, 530372), (201, 403716), (204, 397779), (268, 302787), (306, 265186), (402, 201858), (603, 134572), (612, 132593), (804, 100929), (1139, 71244), (1206, 67286), (1979, 41004), (2278, 35622), (2412, 33643), (3417, 23748), (3958, 20502), (4556, 17811), (5937, 13668), (6834, 11874), (7916, 10251)]