87418188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16981}}^1$

素因数の和:17015

約数の個数: 72

約数和(自身を含む): 259620816

約数和(自身を除く): 172202628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 16981, 33962, 50943, 67924, 101886, 152829, 186791, 203772, 220753, 305658, 373582, 441506, 560373, 611316, 662259, 747164, 883012, 1120746, 1324518, 1681119, 1986777, 2241492, 2428283, 2649036, 3362238, 3973554, 4856566, 6724476, 7284849, 7947108, 9713132, 14569698, 21854547, 29139396, 43709094, 87418188]

約数ペア:

[(1, 87418188), (2, 43709094), (3, 29139396), (4, 21854547), (6, 14569698), (9, 9713132), (11, 7947108), (12, 7284849), (13, 6724476), (18, 4856566), (22, 3973554), (26, 3362238), (33, 2649036), (36, 2428283), (39, 2241492), (44, 1986777), (52, 1681119), (66, 1324518), (78, 1120746), (99, 883012), (117, 747164), (132, 662259), (143, 611316), (156, 560373), (198, 441506), (234, 373582), (286, 305658), (396, 220753), (429, 203772), (468, 186791), (572, 152829), (858, 101886), (1287, 67924), (1716, 50943), (2574, 33962), (5148, 16981)]