80912052

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2189

約数の個数: 72

約数和(自身を含む): 223021344

約数和(自身を除く): 142109292

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 234, 249, 332, 468, 498, 747, 996, 1079, 1494, 2083, 2158, 2988, 3237, 4166, 4316, 6249, 6474, 8332, 9711, 12498, 12948, 18747, 19422, 24996, 27079, 37494, 38844, 54158, 74988, 81237, 108316, 162474, 172889, 243711, 324948, 345778, 487422, 518667, 691556, 974844, 1037334, 1556001, 2074668, 2247557, 3112002, 4495114, 6224004, 6742671, 8990228, 13485342, 20228013, 26970684, 40456026, 80912052]

約数ペア:

[(1, 80912052), (2, 40456026), (3, 26970684), (4, 20228013), (6, 13485342), (9, 8990228), (12, 6742671), (13, 6224004), (18, 4495114), (26, 3112002), (36, 2247557), (39, 2074668), (52, 1556001), (78, 1037334), (83, 974844), (117, 691556), (156, 518667), (166, 487422), (234, 345778), (249, 324948), (332, 243711), (468, 172889), (498, 162474), (747, 108316), (996, 81237), (1079, 74988), (1494, 54158), (2083, 38844), (2158, 37494), (2988, 27079), (3237, 24996), (4166, 19422), (4316, 18747), (6249, 12948), (6474, 12498), (8332, 9711)]